Collect the 1991 Upper Deck Mike Schooler #638 baseball card, featuring the Seattle Mariners player from the landmark inaugural Upper Deck set.
1991 • Upper Deck • Low Number
Major League Baseball • Seattle Mariners
Near Mint
638
New
Shipping Calculated at Checkout
Arrives in 5-7 daysEstimated delivery October 23, 2026 - October 25, 2026
Seller returns October 19, 2026.30-day Returns| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$0.25 | Guide Estimate | |||
Raw / Ungraded
PriceCharting Price Guide · Guide Estimate evidence · captured Oct 17, 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.The 1991 Upper Deck set marked a significant shift in the sports trading card industry, introducing a glossy finish and innovative design elements that became the standard for future releases. Within this historic collection, card number 638 features Mike Schooler, a utility infielder who spent the majority of his career with the Seattle Mariners. This card serves as a tangible link to the early 1990s era of Major League Baseball, capturing the roster dynamics of a team in transition. For collectors focusing on the Upper Deck brand, this card represents the foundational era of the manufacturer's dominance in the sports card market. The 1991 set is widely recognized not just for its aesthetic appeal but for its role in modernizing how baseball cards were produced and distributed. Owning a card from this year provides context to the evolution of the hobby, bridging the gap between traditional cardboard designs and the premium materials that followed. Mike Schooler’s presence in this set is notable for fans of the Seattle Mariners and those tracking players who contributed to the league during this pivotal decade. As a utility player, his career path offers a unique narrative for collectors interested in the broader landscape of MLB rosters rather than just superstars. Whether you are building a comprehensive collection of 1991 Upper Deck baseball cards or seeking to complete a team set for the Seattle Mariners, this product provides an essential component. The catalog identity of card #638 ensures authenticity and provenance within the Upper Deck lineage. Collectors often seek out complete sets from this year to preserve the integrity of the inaugural release, making individual cards from the series valuable for their historical significance. This product stands as a key piece for understanding the breadth of the 1991 Upper Deck baseball card series.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
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Language
English
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This card resides at the lower end of the market value spectrum, reflecting its status as a non-premium insert within a vintage 1991 Upper Deck release. While Mike Schooler had a defined MLB career with the Seattle Mariners, this specific base iteration lacks the scarcity or finish that typically commands a significant premium over comparable rookie or star cards from the same era. Current pricing suggests it trades in line with common vintage base parallels, offering minimal price appreciation potential relative to high-tier issues from the set.
The card is identified as a base issue within the 'Low Number' series designation, but it carries no special attributes such as serial numbering, short-print status, or parallel foil treatments that would artificially constrain supply. In the context of 1991 Upper Deck, the absence of unique scarcity mechanics means this item exists in standard production volumes, limiting its rarity profile to that of a common insert. Without serial numbers or limited edition markings, the supply is effectively unlimited relative to collector demand, keeping its individual rarity value low.
As a standard base card from a pre-2000 set, this item lacks the rookie-card premium mechanics or high-serial-number scarcity that typically drive long-term collector demand. The investment outlook is muted, as value appreciation in this segment is generally tied to broader set appreciation rather than individual card scarcity. Collectors focused on building complete sets may acquire this for completion purposes, but it does not exhibit the demand drivers necessary for significant standalone investment growth.
