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Product Overview
Description
The 1990 Upper Deck Low Number set holds a distinct place in sports card history for its unique numbering format, where card numbers corresponded to the player's jersey number or a specific sequence, rather than the traditional sequential checklist. This product features Mark Williamson, a Baltimore Orioles infielder, identified by the catalog number 173. Collectors often seek this release to complete the Low Number subset, which offers a different perspective on the 1990 Upper Deck base set.
Mark Williamson's appearance in this series captures a specific moment in his career with the Orioles. As a member of the 1990 Upper Deck lineup, this card appeals to those who appreciate the foundational era of Upper Deck's impact on the hobby. The Low Number series is particularly popular among set builders who value the challenge of assembling the complete run.
Whether you are looking to add a piece of Orioles history to your collection or focus on the broader 1990 Upper Deck landscape, this card provides a tangible connection to the sport's recent past. The combination of the team affiliation, the specific year, and the Low Number designation makes it a notable entry for enthusiasts of vintage baseball cards. Understanding the context of the Low Number set helps collectors appreciate the variety within the 1990 Upper Deck release.
Last Listing Activity
9/18/26
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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
Mark Williamson's 1990 Upper Deck card sits firmly in the low-tier segment of his collectible footprint, consistent with late-career relief pitchers who had solid but unspectacular MLB tenures. Upper Deck's 1990 base set was produced in high volume, which suppresses individual card values across the board, and Williamson's card reflects that ceiling. His career significance as a reliable Baltimore Orioles bullpen arm generates modest regional collector interest but does not command a premium in the broader national market.
Rarity Breakdown
This is a standard base card from Upper Deck's 1990 flagship set, carrying no serial numbering, parallel designation, or short-print distinction. The 1990 Upper Deck production run was among the largest of the junk wax era, meaning raw copies are abundant and graded population reports show minimal PSA or BGS submission activity for this specific card. With only one active listing currently available, the market is thin but not because of scarcity — collector demand simply does not drive consistent grading or resale activity.
Investment Outlook
Williamson retired without Hall of Fame consideration, which limits the long-term appreciation runway typically associated with rookie or star cards from this era. The junk wax market for non-star players from 1990 Upper Deck has shown little upward momentum, and grading submission trends for this card remain negligible. Collectors focused on Baltimore Orioles team sets represent the most likely sustained demand pool, though that niche audience is unlikely to drive meaningful price appreciation over time.
