PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $4.12 |
| PSA 9 | $16.21 |
| PSA 10 | $48.6 |
| BGS 10 | $63 |
| CGC 10 | $29 |
| SGC 10 | $29 |
Market context: ungraded price -3.1% over 30 days. +106.0% over 90 days. PSA 10 premium: 11.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-korean-mask-of-change/pokemon-korean-mask-of-change-blissey-ex-121