PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $91.09 |
| PSA 9 | $218 |
| PSA 10 | $370.12 |
| BGS 10 | $481 |
| CGC 10 | $222 |
| SGC 10 | $222 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-m-master-deck-build-box/pokemon-japanese-m-master-deck-build-box-mega-gengar-ex-11