
Alvin Harper
1991 • Upper Deck
#634
The 1991 Score Supplemental Alvin Harper #71T captures a Dallas Cowboys player from the early 1990s trading card era. This Score release represents a key piece of early-90s football card collecting.
1991 • Score • Supplemental
National Football League • Dallas Cowboys
Near Mint
71T
New
Shipping Calculated at Checkout
The 1991 Score Supplemental series marked an important expansion of Score's football card offerings during the early 1990s boom. The Alvin Harper #71T card showcases the design language and photography style characteristic of Score's supplemental releases, which provided collectors with additional player coverage beyond the flagship set. Score's supplemental sets were designed to capture emerging talent and fill roster gaps from the main release. The #71T designation identifies this as part of that targeted subset. Collectors of early-90s Dallas Cowboys cards, Score brand completists, and those building era-specific collections often seek out supplemental releases like this one, as they represent a distinct chapter in modern sports card history. The 1991 Score Supplemental Alvin Harper card appeals to football enthusiasts interested in the Cowboys' roster from that era, as well as vintage card investors who focus on Score products. Whether you're filling set gaps, exploring early-90s football card design, or collecting Cowboys memorabilia, this card offers authentic period appeal and a tangible connection to 1991 trading card culture.
7/28/26
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As a 1991 Score Supplemental rookie card, this item represents a specific niche within the Dallas Cowboys' broader football collectibles landscape, likely commanding a modest premium over non-rookie parallels due to its debut status. The scarcity of active listings suggests a thin market where price discovery is driven by individual seller motivation rather than broad demand. Its value is anchored in its role as a foundational piece for collectors focusing on the early 1990s NFL era rather than a high-tier investment vehicle.
The card's scarcity is primarily derived from its status as a Supplemental insert within the 1991 Score set, which typically involved lower print volumes compared to base issues to create collectible variety. Being designated as a rookie card adds a layer of inherent rarity, as these cards were produced in limited quantities specifically to mark the player's debut season. The combination of the supplemental parallel status and the rookie designation creates a double-layer of scarcity mechanics, though it lacks the ultra-low serial numbering of high-end parallels.
Investment potential is tied to the collector demand for 1990s NFL rookies, particularly those from prominent franchises like the Dallas Cowboys during their championship runs. The rookie card designation serves as the primary demand driver, offering stability for collectors building specific era-based sets. However, as a supplemental issue from a major base set, it lacks the exclusive scarcity of high-end parallels, suggesting steady but moderate growth potential for dedicated niche collectors rather than speculative appreciation.

1991 • Upper Deck
#634

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