PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.78 |
| PSA 7 | $22.45 |
| PSA 9 | $55.18 |
| PSA 10 | $130 |
| BGS 10 | $169 |
| CGC 10 | $78 |
| SGC 10 | $78 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-caterpie-1999-2000-45