PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $144.97 |
| PSA 7 | $97.07 |
| PSA 8 | $260.83 |
| PSA 9 | $375 |
| PSA 10 | $1271.5 |
| BGS 10 | $1653 |
| CGC 10 | $355.5 |
| SGC 10 | $763 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-m-gengar-ex-xy-p-79