PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.46 |
| PSA 7 | $13 |
| PSA 8 | $16.5 |
| PSA 9 | $33 |
| PSA 10 | $109.14 |
| BGS 10 | $142 |
| CGC 10 | $28.25 |
| SGC 10 | $5.55 |
TCGplayer market price: $0.34 (as of 2026-10-20)
Market context: ungraded price +16.8% over 30 days. -3.9% over 90 days. PSA 10 premium: 74.8× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-bill-91