PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $35.7 |
| PSA 7 | $11.81 |
| PSA 8 | $32.09 |
| PSA 9 | $49.35 |
| PSA 10 | $283.58 |
| BGS 10 | $369 |
| CGC 10 | $113.15 |
| SGC 10 | $170 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-grookey-on-the-ball-3