PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $30.03 |
| PSA 8 | $31.24 |
| PSA 9 | $34 |
| PSA 10 | $95.6 |
| BGS 10 | $124 |
| CGC 10 | $57 |
| SGC 10 | $57 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-inkay-sm-p-261