| $2.84 | Nov 11, 2026 | eBay · Best Offer |
| $2.61 | Oct 30, 2026 | eBay · BIN |
| $2.20 | Oct 22, 2026 | eBay · BIN |
| $1.99 | Oct 7, 2026 | eBay · Best Offer |
| $1.75 | Oct 6, 2026 | eBay · BIN |
| $3.83 | Mar 22, 2026 | eBay · Auction |
| $1.32 | Mar 6, 2025 | eBay · Auction |
| $2.95 | Dec 12, 2023 | eBay · Auction |
| $1.89 | Oct 7, 2022 | eBay · Auction |
| $0.19 | May 13, 2022 · outside typical range | eBay · Auction |
| $5.50 | Oct 3, 2021 · outside typical range | eBay · Auction |
The 1994 Donruss Diamond Kings Ruben Sierra #DK-18 trading card is an original insert card made of card stock featuring the Major League Baseball player Ruben Sierra from the Oakland Athletics team. This English-language sports trading card is a part of the Diamond Kings set by Leaf, with a standard size and base parallel/variety. While it was not autographed and is not considered a vintage card, it is a sought-after collectible for baseball fans and card collectors alike, representing a piece of baseball history from the 1994 season.












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