Mike Warren Rookie Cards

Do you know that the most expensive Mike Warren Baseball Rookie Card (1984 Donruss Mike Warren Baseball Rookie Card RC #631 Athletics Pitcher EXMT O/C) was sold on eBay in 01/2026 for $79.26 while the cheapest Rookie Card (1984 Topps #338 Mike Warren Rookie Card Oakland Athletics) changed hands for only $1.59 in 09/2025? The month with the most cards sold (3) was January 2026 with an average selling price of $2.99 for a Baseball Card of Mike Warren. Sold items reached their highest average selling price in May 2025 with $50.99 and the month that saw the lowest prices with $1.75 was October 2023. In average, a Rookie Card from Mike Warren is valued at $1.99.

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