PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.95 |
| PSA 7 | $40 |
| PSA 8 | $47.5 |
| PSA 9 | $343.12 |
| PSA 10 | $412 |
| BGS 10 | $536 |
| CGC 10 | $247 |
| SGC 10 | $247 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-brock-s-mankey-corocoro-comics-56