PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $20.81 |
| PSA 7 | $48.2 |
| PSA 8 | $53.61 |
| PSA 9 | $114.87 |
| PSA 10 | $1678 |
| BGS 10 | $2181 |
| CGC 10 | $150 |
| SGC 10 | $1007 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-mudkip-18