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About This Card

The 1990-91 Fleer Update Dee Brown U-6 is a notable rookie card representing the Boston Celtics in the NBA. This product offers collectors a tangible piece of basketball history from a significant era.

Dee Brown

Name: 1990-91 Fleer Update Dee Brown #U-6
Brand: Fleer
SKU: sports_card_01KSQDTZ7400VMCTGQ1Y7X51S6

1990-91 • Fleer • Update

National Basketball Association • Boston Celtics

1990-91 Fleer Update National Basketball Association Boston Celtics Near Mint

Seller Offer

$2.99

1 available

Raw/Ungraded Market: $1.62

85% above

Updated 5 days ago

Based on Aggregated Price GuideLast Updated November 10, 2026 at 6:01 AMLowest eBay Listing at Last Check: $0.99 · View on eBay

Condition

Near Mint

Card Number

U-6

Primary Seller

SuperCatch

New

Shipping Calculated at Checkout

Arrives in 4-6 days

Estimated delivery November 19, 2026 - November 21, 2026

30-day Returns

Market & Price History

Prices Captured Nov 10, 2026

Condition	Value	Source	Trend
	$1.62	Guide Estimate	0%
Based on Aggregated Price Guide Estimate: $1.62, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $1.62. Evidence date not available. Asking Prices: $1.00. Evidence date: Nov 10, 2026.Lowest observed item price: $0.99; shipping and tax excluded.Lowest observed item plus quoted shipping: $1.70, among 12 offers with known shipping; tax excluded. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $1.62 to $1.62 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$5.31	Guide Estimate	0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $5.31, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $5.31. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $5.31 to $5.31 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$16.25	Guide Estimate	-7.1%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $16.25, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $16.25. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $15.50 to $17.49 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$39.75	Guide Estimate	-1.3%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $39.75, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $39.75. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $39.72 to $40.27 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -1.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$82.00	Guide Estimate	-7.9%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $82.00, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $82.00. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $82.00 to $89.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.9%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$25.00	Guide Estimate	-7.4%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $25.00, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $25.00. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $25.00 to $27.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.4%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$63.43	Guide Estimate	-7.3%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $63.43, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $63.43. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $63.43 to $68.43 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
	$38.00	Guide Estimate	-7.3%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales Estimate: $38.00, based on Guide Estimate. Source date not availableCaptured Nov 10, 2026 Guide Estimate: $38.00. Evidence date not available. Supported by the available observations, but not a guaranteed sale price. Over the last 30 days, stored prices ranged from $38.00 to $41.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026

$1.62
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price Guide
Estimate: $1.62, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $1.62. Evidence date not available.
Asking Prices: $1.00. Evidence date: Nov 10, 2026.Lowest observed item price: $0.99; shipping and tax excluded.Lowest observed item plus quoted shipping: $1.70, among 12 offers with known shipping; tax excluded.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.62 to $1.62 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$5.31
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $5.31, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $5.31. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $5.31 to $5.31 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$16.25
Source
Guide Estimate
Trend
-7.1%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $16.25, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $16.25. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $15.50 to $17.49 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$39.75
Source
Guide Estimate
Trend
-1.3%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $39.75, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $39.75. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $39.72 to $40.27 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -1.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$82.00
Source
Guide Estimate
Trend
-7.9%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $82.00, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $82.00. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $82.00 to $89.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.9%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$25.00
Source
Guide Estimate
Trend
-7.4%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $25.00, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $25.00. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $25.00 to $27.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.4%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$63.43
Source
Guide Estimate
Trend
-7.3%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $63.43, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $63.43. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $63.43 to $68.43 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026
$38.00
Source
Guide Estimate
Trend
-7.3%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $38.00, based on Guide Estimate.
Source date not availableCaptured Nov 10, 2026
Guide Estimate: $38.00. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $38.00 to $41.00 across 3 capture days. Change between Oct 23, 2026 and Nov 10, 2026: -7.3%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.Recorded Nov 10, 2026

Below grade 10 the guide publishes one estimate across all graders, so these rows are not PSA, BGS, CGC or SGC prices, and a low slabbed grade can sit below a clean raw copy. Grade 10 is estimated per grader.

30-day Price History

Raw / Ungraded

PriceCharting Price Guide · Guide Estimate evidence · captured Nov 10, 2026

Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.

Product Overview

Description

The 1990-91 Fleer Update Dee Brown U-6 card stands as a significant entry for collectors focusing on Boston Celtics history and NBA trading cards from the early 1990s. As a designated rookie card, this release captures the beginning of Dee Brown's professional journey in the league, making it a focal point for enthusiasts tracking player development and team rosters from that time period. The card is part of the broader Fleer Update series, which served as a mid-season supplement to the primary Fleer basketball sets, often featuring key rookies and inserts that were not included in the base set releases. For investors and hobbyists, the 1990-91 Fleer Update Dee Brown U-6 represents an opportunity to engage with a specific moment in basketball memorabilia. The card number U-6 identifies its unique position within the subset, allowing collectors to systematically build their holdings. The aesthetic and design elements typical of Fleer products from this era provide a nostalgic backdrop, appealing to those who value the visual identity of sports cards from the pre-digital age. The connection to the Boston Celtics adds a layer of team-specific interest, as the franchise has a storied history that attracts dedicated fanbases and collectors alike. Collecting this card often involves a focus on preservation and completeness. Whether aiming to complete a set of 1990-91 Fleer Update products or seeking out specific rookie cards for a career collection, this product holds a distinct place in the marketplace. The combination of the Fleer brand reputation, the Update series format, and the rookie designation creates a multi-faceted appeal for those who appreciate the nuances of sports card collecting. By acquiring this product, collectors contribute to the preservation of basketball history while expanding their personal archives of NBA memorabilia.

Last Listing Activity

11/1/26

Seller Action

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Product Specs

Card Details

The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.

Catalog Profile

The core identity of the card within the set.

Year

1990-91

Brand

Fleer

Series

Update

Card Number

#U-6

Featured Subject

The subject, team, league, and sport context tied to this card.

Featured

Dee Brown

Team

Boston Celtics

League

National Basketball Association

Sport

Basketball

Print Details

Production details and format-specific attributes.

Material

Card Stock

Language

English

Collector Highlights

Notable collectible traits associated with this card profile.

Rookie

Available Offers

Available Offer for This Card (1)

Compare prices, grades, photos, and shipping from approved sellers.

Seller

SuperCatch

Verified Seller

Featured Offer

New

Condition

Near Mint

Seller Price

$2.99

Shipping Extra

Arrives in 4-6 days

Estimated delivery November 19, 2026 - November 21, 2026

Collector Ownership

Owned by Collectors

See how many public collections currently include this card.

0 collectors have this card

SuperCatch Expert Analysis

Market Value Insight

This 1990-91 Fleer Update rookie card represents an entry-level tier within the Fleer rookie market, trading at a modest premium relative to base inserts but significantly below high-end parallels. As Dee Brown's primary rookie appearance in this specific brand, it holds distinct historical relevance for collectors focused on the early 1990s NBA landscape. The card commands steady attention from dedicated Celtics memorabilia hunters rather than chasing broad speculative hype.

Rarity Breakdown

Scarcity is primarily driven by the 'Update' subset designation within the Fleer brand, which produced a smaller print run than the standard base set. This limited distribution creates a natural floor for availability, distinguishing it from more common base issues while avoiding the extreme constraints of serial-numbered or short-print parallels. The absence of unique numbering or special foil treatments keeps the supply relatively accessible compared to ultra-rare variants.

Investment Outlook

As a confirmed rookie card, this item benefits from the foundational demand mechanics that drive long-term collector interest in early-career artifacts. The Fleer Update series has established a niche following, and this specific card serves as an accessible entry point for portfolios seeking 1990s basketball diversity. Demand remains stable among specialists tracking Boston Celtics history, offering a low-risk avenue for portfolio diversification without the volatility of high-priced stars.

AI-Generated Editorial Analysis

FAQ

Frequently Asked Questions

Is the 1990-91 Fleer Update Dee Brown U-6 considered a rookie card?

Yes, this card is identified as a rookie card, marking the initial appearance of Dee Brown in a major trading card set. This designation often increases its interest among collectors who focus on player debuts.

What does the U-6 card number signify in this set?

The U-6 number identifies the card's unique position within the 1990-91 Fleer Update subset. This numbering system helps collectors organize their holdings and track which specific cards are included in the series.

Why is the Fleer Update series distinct from base Fleer sets?

The Fleer Update series was released as a mid-season supplement to the main Fleer basketball sets. It often featured additional rookies, inserts, and key players that were not included in the primary base set release, providing collectors with more variety.