$1.25As of 8/31/2026Over the last 30 days, stored prices ranged from $1.25 to $1.29 across 2 capture days. Change between Aug 23, 2026 and Aug 31, 2026: -3.1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
21
Asking Prices
Based on eBay Active Listings
Source Observation Date Unavailable
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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
1 day ago
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Product Specs
Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
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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.
