PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $9.99 |
| PSA 7 | $15.99 |
| PSA 8 | $25 |
| PSA 9 | $50 |
| PSA 10 | $300 |
| BGS 10 | $390 |
| CGC 10 | $180 |
| SGC 10 | $180 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-electrode-1999-2000-21