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PSA 10: 1 sale, last 45 days · Oct 21, 2026 · checked Oct 27, 2026
PSA 9: Median of 2 PSA 9 sales in the last 90 days, latest 2026-10-06. Grade 9 guide (all graders): $21.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Tentacool (Fossil #56) at $1.49 market price (PriceCharting raw (eBay sold fallback)). Its Delta multiple is 82.2x.
A PSA 10 Tentacool (Fossil #56) is currently shown at $123, the only PSA 10 sale in the last 45 days (Oct 21, 2026).
GemDelta records a 25.6% gem rate for Tentacool (Fossil #56), with 125 PSA 10 copies out of 489 total PSA grades and a 82.2x Delta. That describes the grading profile; it is not financial advice.
| Date | Listing | Sale |
|---|---|---|
| Oct 21, 2026 | 1999 POKEMON FOSSIL #56 TENTACOOL PSA 10 | $122.50 |
| Aug 28, 2026 | 1999 POKEMON FOSSIL TENTACOOL #56 PSA 10 💎 💦 | $87.50 |
| Aug 17, 2026 | Pokemon Tentacool Fossil Unlimited 56/62 PSA 10 Gem Mint 56/62 | $88.43 |
| Aug 17, 2026 | Pokemon Tentacool Fossil Unlimited 56/62 PSA 10 Gem Mint 56/62 | $93.00 |
| Jun 13, 2026 | Pokemon 1999 Fossil Tentacool 56/62 PSA 10 Common Unlimited Regular Wizards 56/62 | $99.99 |