Raw, it’s a $9.83 card. Slabbed as a PSA 10 it sells for 13× that, and PSA has only ever handed out 20 of them.
| September · 1 sale · median $130 · +43% vs May | ||||
| 20 | eBay | PSA 10 MASQUERAIN HOLO Undone Seal 1st Ed JPN Pokemon Card VERY LOW POP! Japanese #012 | +43% | $129.50 |
| May · 1 sale · median $91 · −14% vs Apr | ||||
| 6 | eBay | Pokemon Masquerain #012 (Undone Seal) Holo 1st Edition PSA 10 GEM MINT Japanese #012 | −14% | $90.82 |
| April · 1 sale · median $105 · +40% vs Mar | ||||
| 21 | eBay | 2004 POKEMON JAPANESE UNDONE SEAL 1ST EDITION #012 MASQUERAIN-HOLO PSA 10 #012 | +40% | $105.00 |
| March · 1 sale · median $75 · — vs Jan | ||||
| 1 | eBay | PSA 10 GEM MINT - 1st Edition Masquerain #012 (Undone Seal) Holo Pokemon Card Japanese #012 | — | $74.99 |
| January · 1 sale · median $75 · +67% vs Dec | ||||
| 9 | eBay | PSA 10 GEM MINT - 1st Edition Masquerain #012 (Undone Seal) Holo Pokemon Card Japanese #012 | +67% | $74.99 |
| December 2025 · 1 sale · median $45 | ||||
| 12 | eBay | Masquerain Pokemon 2004 Holo Undone Seal 1st ED Japanese 012/083 PSA 10 Japanese #12 | — | $44.99 |