Raw, it’s a $2.99 card. Slabbed as a PSA 10 it sells for 25× that, and PSA has only ever handed out 19 of them.
| October 2025 · 1 sale · median $75 · +103% vs Sep | |||||
| 17 | eBay | Pokemon TCG - Mistys Seel - 91 - Gym Challenge - PSA 10 #91 | +103% | $75 | |
| September 2024 · 1 sale · median $37 · −7% vs Apr | |||||
| 8 | eBay | Pokemon Misty's Seel Gym Challenge Unlimited #91 PSA 10 Gem Mint | −7% | $37 | |
| April 2024 · 1 sale · median $40 · −3% vs Jul | |||||
| 19 | eBay | 2000 Pokemon Gym Challenge UNLIMITED Misty's Seel 91/132 PSA 10 Gem Mint WOTC | +41% | $40 | |
| July 2023 · 2 sales · median $41 · +14% vs Jun | |||||
| 19 | eBay | 2000 Pokemon Gym Challenge Misty's Seel 91/132 PSA 10 VERY LOW POP | −48% | $28 | |
| 10 | eBay | PSA 10 GEM MINT Misty's Seel 91/132 Gym Challenge Pokemon Card 350 | +50% | $54 | |
| June 2023 · 1 sale · median $36 · +44% vs May | |||||
| 22 | eBay | PSA 10 GEM MINT Misty's Seel 91/132 Gym Challenge Pokemon Low Pop | +44% | $36 | |
| May 2022 · 1 sale · median $25 | |||||
| 27 | eBay | 2000 MISTY'S SEEL Pokemon Gym Challenge #91 PSA 10 gem mint! #91 | — | $25 | |