Dennis Cook Rookie Cards

Do you know that the most expensive Dennis Cook Baseball Rookie Card (1989 Fleer Update Dennis Cook Baseball Rookie Card RC #U-104 Phillies Pitcher VG) was sold on eBay in 03/2026 for $44.99 while the cheapest Rookie Card (1989 Upper Deck San Francisco Giants Baseball Card #779 Dennis Cook Rookie) changed hands for only $0.99 in 04/2023? The month with the most cards sold (4) was February 2026 with an average selling price of $2.25 for a Baseball Card of Dennis Cook. Sold items reached their highest average selling price in May 2025 with $28.11 and the month that saw the lowest prices with $0.99 was April 2023. In average, a Rookie Card from Dennis Cook is valued at $2.29.

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