Matt Riley Rookie Cards

Do you know that the most expensive Matt Riley Baseball Rookie Card (Matt Riley signed baseball card (Orioles) 1999 Upper Deck Debut Rookie #9) was sold on eBay in 02/2025 for $17.99 while the cheapest Rookie Card (Matt Riley 1999 Skybox Autographics ORIOLES ROOKIE AUTOGRAPH) changed hands for only $0.30 in 06/2012? The month with the most cards sold (2) was April 2026 with an average selling price of $2.54 for a Baseball Card of Matt Riley. Sold items reached their highest average selling price in February 2025 with $17.99 and the month that saw the lowest prices with $0.30 was June 2012. In average, a Rookie Card from Matt Riley is valued at $1.95.

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