PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3.97 |
| PSA 8 | $20.5 |
| PSA 9 | $21.75 |
| PSA 10 | $143.5 |
| BGS 10 | $187 |
| CGC 10 | $86 |
| SGC 10 | $86 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-squirtle-deck/pokemon-japanese-squirtle-deck-diglett-2