Source date not availableAsking 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 $0.99 to $1.00 across 2 capture days. Change between Sep 13, 2026 and Sep 15, 2026: -1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$23.00As of 9/14/2026
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $23.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $23.00 to $23.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$11.00As of 9/14/2026
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $11.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $11.00 to $11.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$17.50As of 9/14/2026
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $17.50, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $17.50 to $17.50 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$11.00As of 9/14/2026
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $11.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $11.00 to $11.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$0.99As of 9/14/2026
Source
Asking Prices
Trend
-1%
Price Details
Based on eBay Active Listings · 19 observations
Estimate: $0.99, based on Asking Prices.
Source date not availableAsking 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 $0.99 to $1.00 across 2 capture days. Change between Sep 13, 2026 and Sep 15, 2026: -1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$23.00As of 9/14/2026
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $23.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $23.00 to $23.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$11.00As of 9/14/2026
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $11.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $11.00 to $11.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$17.50As of 9/14/2026
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $17.50, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $17.50 to $17.50 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$11.00As of 9/14/2026
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $11.00, based on Guide Estimate.
Source date not availableFew comparable observations are available, so this estimate may be less reliable.
Over the last 30 days, stored prices ranged from $11.00 to $11.00 across 3 capture days. Change between Sep 10, 2026 and Sep 15, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
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 #321 card featuring Juan Agosto is a distinctive entry in the history of baseball trading cards. Released during a pivotal era for the Houston Astros, this card captures the player in his team uniform, offering collectors a tangible connection to late-1980s Major League Baseball. The Bowman brand was synonymous with high-quality design and widespread distribution during this period, making these cards staples in many vintage collections. For enthusiasts of the Houston Astros, this card number serves as a valuable component for those looking to complete set builds or expand their roster of team-specific memorabilia. Juan Agosto’s tenure with the Astros places this card firmly within the context of the franchise’s roster history from that decade. Collectors often seek out 1989 Bowman cards not just for their aesthetic appeal, but for their role in documenting the players who defined that specific season. The enduring popularity of the 1989 Bowman set ensures that cards like #321 remain relevant in the secondary market. Whether you are a dedicated fan of the Houston Astros or a broader collector of vintage baseball, this card offers a straightforward yet meaningful addition to any display. The clean, recognizable design of the 1989 Bowman release makes it an accessible yet significant piece of sports history. By focusing on the catalog identity and historical context, collectors can appreciate the card for what it is: a verified piece of 1989 baseball history featuring a Houston Astros player. This approach ensures that the value of the card is understood through its era, brand, and subject, rather than transient market fluctuations.
Last Listing Activity
9/18/26
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.
See how many public collections currently include this card.
0 collectors have this card
SuperCatch Expert Analysis
Market Value Insight
The 1989 Bowman Juan Agosto sits at the lower end of the collectible spectrum, as Agosto was a middle-relief specialist whose career impact limits broader collector demand. With only one active listing, the market is extremely thin, suggesting this card trades at or near base-level pricing for late-1980s Bowman commons. The 1989 Bowman set itself carries modest collector interest due to its oversized format and large print run, which keeps most cards in this set from commanding a premium.
Rarity Breakdown
This is a standard base card with no noted parallels, serial numbering, or short-print designation, placing it firmly in the high-print-run common category typical of 1989 Bowman production. The 1989 Bowman set was produced in significant quantities, meaning raw copies are widely available and graded population reports for this specific card are likely minimal — not due to scarcity, but due to low submission interest. Without a PSA, BGS, or SGC graded population driving collector competition, condition sensitivity remains low.
Investment Outlook
Agosto's career as a situational left-handed reliever with no All-Star appearances or Hall of Fame consideration means there is limited catalyst for renewed collector interest or speculative buying. The single active listing reflects a stagnant market with minimal grading submission trends, and no foreseeable player-driven momentum is likely to shift demand. This card is best viewed as a set-filler rather than an investment vehicle, with little expectation of appreciating beyond its current modest positioning.
