Raw, it’s a $0.99 card. Slabbed as a PSA 10 it sells for 48× that.
| October · 2 sales · median $45 · −55% vs Jul | ||||
| 24 | eBay | 2025 Pokemon Prismatic Evolutions Seaking Reverse Holo #021 PSA 10 | +700% | $80 |
| 22 | eBay | Pokemon 2025 Seaking 021/131 Sv Prismatic Evolutions Reverse Holo PSA 10 021/131 | −90% | $10 |
| July · 1 sale · median $100 | ||||
| 16 | eBay | 2025 Pokemon Prismatic Evolutions Seaking Reverse Holo #021 PSA 10 | — | $100 |