Skip to main content
1 / 2
About This Card

The 1990 Fleer Keith Comstock #510 is a classic baseball trading card featuring the Seattle Mariners infielder from the early 1990s MLB era.

Keith Comstock

1990 • Fleer

Major League Baseball • Seattle Mariners


Seller Offer

$1.00

1 available
Raw/Ungraded Market: $0.49
Stale · as of 10/25/2026
Based on Aggregated Price GuideLowest eBay Listing at Last Check: $0.99 · View on eBay
Condition

Near Mint

Card Number

510


Loading express checkout
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

  • $0.49As of 10/25/2026
    Source
    Guide Estimate
    Trend
    Price Details

30-day Price History

Raw / Ungraded

PriceCharting Price Guide · Guide Estimate evidence · captured Oct 26, 2026

History is building. At least two days of matching observations are needed to show a trend.

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

Keith Comstock appeared on the 1990 Fleer baseball card series as card number 510, representing the Seattle Mariners during a transitional period for the franchise. Released by Fleer, this card is part of a set that remains one of the most recognizable and widely collected bases from the early 1990s. The design reflects the era's distinct aesthetic, offering collectors a tangible piece of baseball history from a time when Fleer was re-establishing its footprint in the trading card market. For collectors focused on the Seattle Mariners, this card represents Comstock's tenure with the club before his career moved to other organizations. While not a rookie card, it captures the player during his early professional years, providing context to his development and role within the Mariners' infield rotation. The card serves as a key identifier for fans of 1990s baseball memorabilia. Its inclusion in the base set ensures broad distribution, yet it holds nostalgic value for those who followed the sport during this decade. Whether you are a dedicated Mariners supporter or a generalist collector of vintage sports cards, the 1990 Fleer Keith Comstock #510 offers a direct connection to the players and teams of that era. It stands as a standard reference point for understanding the landscape of baseball cards in the early nineties, appealing to those who appreciate the history and evolution of the hobby.

Last Listing Activity

11/1/26

Seller Action
Have one of these to sell?

We'll pre-fill the product details from this catalog entry, so your listing lands on this exact page. Just add photos of your copy, pick its condition, and set your price.

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

Brand

Fleer

Card Number

#510

Featured Subject

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

Print Details

Production details and format-specific attributes.

Material

Card Stock

Language

English

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

$1.00

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 Fleer Keith Comstock card sits in the entry-level tier of the set, reflecting his status as a reserve player for the Seattle Mariners rather than a franchise cornerstone. While the current market price is modest, the scarcity of active listings suggests a stable but low-volume trading environment typical for non-star athletes from this era. It serves as a foundational piece for broad set builders rather than a high-value asset driven by individual stardom.

Rarity Breakdown

As a standard base card with no noted parallels, short prints, or serial numbering, this item represents the most common iteration of the card within the 1990 Fleer product. The supply is determined solely by the original print run of the base set, which was mass-produced for general distribution. Consequently, it lacks the artificial supply constraints that drive premiums in parallel or special subsets.

Investment Outlook

Investment potential is limited by the lack of rookie card designation and the absence of premium attributes such as autographs or limited editions. Demand is primarily driven by completists seeking to fill gaps in a 1990 Fleer base set rather than speculative growth based on player performance. Collectors should view this as a low-cost acquisition for set completion rather than a vehicle for significant capital appreciation.

AI-Generated Editorial Analysis

FAQ

Frequently Asked Questions

Was Keith Comstock a rookie in 1990?

No, the 1990 Fleer Keith Comstock card is not a rookie card. Comstock made his MLB debut in 1988, so this 1990 release features him as an established major league player.

What team does Keith Comstock play for on this card?

Keith Comstock is depicted as a member of the Seattle Mariners on the 1990 Fleer #510 card. He played for Seattle during the 1990 season.

Why is the 1990 Fleer set popular among collectors?

The 1990 Fleer set is highly popular due to its distinctive design and status as one of the few major baseball card releases of that year. It is widely collected for its accessibility and nostalgic value from the early 1990s.