
The 1990 Upper Deck Jeffrey Leonard #331 baseball card captures the Seattle Mariners player during a pivotal era of the franchise. This catalog entry represents a significant piece for collectors of vintage Upper Deck issues.
Jeffrey Leonard
1990 • Upper Deck • Low Number
Major League Baseball • Seattle Mariners
$2.99
Near Mint
331
New
Shipping Calculated at Checkout
30-day ReturnsMarket & Price History
| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$1.15As of 9/10/2026 | Guide Estimate | |||
$1.25As of 4/14/2026 | Evidence Type Unavailable | |||
- $1.15As of 9/10/2026
- Source
- Guide Estimate
- Trend
- Price Details
- $1.25As of 4/14/2026
- Source
- Evidence Type Unavailable
- Trend
- Price Details
30-day Price History
Raw / Ungraded
PriceCharting Price Guide · Guide Estimate evidence · captured Sep 10, 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.Description
The 1990 Upper Deck Jeffrey Leonard #331 baseball card stands as a notable entry in the history of modern trading card manufacturing. Released during the inaugural year of Upper Deck, this product introduced a groundbreaking glossy finish that revolutionized the visual aesthetic of the hobby. For collectors focusing on the Seattle Mariners franchise, this card serves as an essential component for those building a comprehensive team set. The subject, Jeffrey Leonard, is featured in this card number, offering a tangible connection to the team's roster during the early 1990s. Collecting vintage sports cards from this era requires attention to detail and an appreciation for the manufacturing innovations of the time. Whether you are looking to complete a personal collection or acquire a piece of baseball history, this card represents a fundamental building block for enthusiasts of the sport. The enduring appeal of vintage baseball cards lies in their ability to preserve the memory of players and teams from decades past. This product provides access to a piece of that legacy, allowing collectors to own a physical artifact from the golden age of card collecting. The identity of the player and the team affiliation remain the primary drivers for interest in this release, making it a relevant item for those who follow the history of the MLB. For those who value the craftsmanship of early 1990s card design, this card offers a direct link to the origins of the Upper Deck brand.
9/18/26
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Card Details
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Print Details
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Language
English
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