PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15.46 |
| PSA 7 | $114.1 |
| PSA 8 | $257.54 |
| PSA 9 | $775.76 |
| PSA 10 | $1600 |
| BGS 10 | $2080 |
| CGC 10 | $960 |
| SGC 10 | $960 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-nidoking-1999-2000-11