PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $17.57 |
| PSA 8 | $29 |
| PSA 9 | $65 |
| PSA 10 | $355 |
| BGS 10 | $462 |
| CGC 10 | $213 |
| SGC 10 | $213 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-fossil/pokemon-fossil-psyduck-1999-2000-53