PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $51.53 |
| PSA 9 | $202.45 |
| PSA 10 | $243 |
| BGS 10 | $316 |
| CGC 10 | $146 |
| SGC 10 | $146 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-m-master-deck-build-box/pokemon-japanese-m-master-deck-build-box-gengar-ex-10