PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $6.06 |
| PSA 8 | $25 |
| PSA 9 | $28.49 |
| PSA 10 | $66.19 |
| BGS 10 | $86 |
| CGC 10 | $59.99 |
| SGC 10 | $40 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-dewgong-1999-2000-25