PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $9.2 |
| PSA 9 | $105.27 |
| PSA 10 | $378.15 |
| BGS 10 | $492 |
| CGC 10 | $227 |
| SGC 10 | $227 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-kelloggs-game-tips/pokemon-kelloggs-game-tips-psyduck-card