Alvin Harper

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.