Prices Captured Sep 5, 2026 Unless Another Date Is Shown
Condition
Value
Source
Trend
Price Details
$1.00
Asking Prices
0%
Based on eBay Active Listings · 20 observations
Estimate: $1.00, based on Asking Prices.
Asking Prices: $1.00. Evidence date: Sep 23, 2026.Lowest observed item price: $0.99; shipping and tax excluded.Lowest observed item plus quoted shipping: $1.19, among 18 offers with known shipping; tax excluded.
Asking prices are unsold offers, not completed sales. Repeated observations do not establish additional buyer demand.Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.00 to $1.00 across 2 capture days. Change between Sep 5, 2026 and Sep 23, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$17.00As of 9/5/2026
Guide Estimate
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $17.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$8.00As of 9/5/2026
Guide Estimate
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $8.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$12.89As of 9/5/2026
Guide Estimate
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $12.89, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$8.00As of 9/5/2026
Guide Estimate
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $8.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$1.00
Source
Asking Prices
Trend
0%
Price Details
Based on eBay Active Listings · 20 observations
Estimate: $1.00, based on Asking Prices.
Asking Prices: $1.00. Evidence date: Sep 23, 2026.Lowest observed item price: $0.99; shipping and tax excluded.Lowest observed item plus quoted shipping: $1.19, among 18 offers with known shipping; tax excluded.
Asking prices are unsold offers, not completed sales. Repeated observations do not establish additional buyer demand.Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.00 to $1.00 across 2 capture days. Change between Sep 5, 2026 and Sep 23, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$17.00As of 9/5/2026
Source
Guide Estimate
Trend
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $17.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$8.00As of 9/5/2026
Source
Guide Estimate
Trend
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $8.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$12.89As of 9/5/2026
Source
Guide Estimate
Trend
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $12.89, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
$8.00As of 9/5/2026
Source
Guide Estimate
Trend
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $8.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
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 1989 Bowman Brian Harper baseball card, numbered 155, stands as a definitive piece of vintage sports memorabilia from one of the most iconic years in trading card history. This card features Brian Harper, who was a key figure for the Minnesota Twins during this period, making it a valuable component for enthusiasts focusing on team history or player-specific collections. Collecting from the late 1980s offers a unique window into baseball's past, and the 1989 Bowman set remains a staple for many hobbyists. Card number 155 provides a straightforward yet compelling addition to any portfolio, allowing collectors to bridge the gap between modern high-end markets and nostalgic base sets. The appeal of this card lies in its accessibility and its role as a foundational piece for completing the full 1989 Bowman checklist. Whether you are building a dedicated Twins collection or exploring the broader landscape of 1980s baseball cards, this card offers significant collector value. It serves as an excellent entry point for new fans of the hobby, providing a tangible connection to the sport's history without the complexity of parallel inserts or autographed versions. The enduring popularity of the 1989 Bowman set ensures that this card remains a relevant and recognizable item in the secondary market. By focusing on the core attributes of the 1989 Bowman Brian Harper card, collectors can appreciate its place in the timeline of sports trading cards. This card is more than just a piece of cardboard; it is a snapshot of a specific moment in baseball history, preserved for future generations of enthusiasts.
Last Listing Activity
9/18/26
Seller Action
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Product Specs
Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
See how many public collections currently include this card.
0 collectors have this card
SuperCatch Expert Analysis
Market Value Insight
Brian Harper's 1989 Bowman card occupies the lower tier of his overall cardboard footprint, consistent with base issues from this era that lack serial numbering or parallel distinctions. With only one active listing currently available, the market is essentially illiquid, making price discovery difficult and any single sale potentially unrepresentative of true demand. Harper's career as a reliable contact hitter and World Series champion with the 1991 Twins provides modest collector interest, though his cards rarely command a premium outside of dedicated team or set collectors.
Rarity Breakdown
This is a standard base card from the 1989 Bowman set, which was produced in relatively high volumes as Topps relaunched the Bowman brand that year, meaning raw copies are widely available with no meaningful scarcity. There are no serial numbers, short print designations, or parallel variants associated with this specific card, placing it firmly in the common tier. Graded population for this card is minimal, and high-grade copies (PSA 10 or BGS 9.5) may carry a modest condition premium simply due to the 1989 Bowman set's notorious print quality issues and centering problems.
Investment Outlook
Harper is a retired player with no Hall of Fame candidacy on the horizon, which significantly limits long-term appreciation potential for his base issues. Collector interest is largely driven by nostalgia, Minnesota Twins team collectors, and vintage set builders rather than speculative investment demand. Grading submission trends for this card are minimal, and market momentum is flat, making this a sentimental hold rather than a strategic investment target.
