PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $0.83 |
| PSA 7 | $16.7 |
| PSA 8 | $18.78 |
| PSA 9 | $34.54 |
| PSA 10 | $89.03 |
| BGS 10 | $116 |
| CGC 10 | $29.14 |
| SGC 10 | $5.55 |
TCGplayer market price: $0.49 (as of 2026-08-29)
Market context: ungraded price -45.4% over 30 days. -39.9% over 90 days. PSA 10 premium: 107.3× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-bill-91