PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $32 |
| PSA 7 | $40 |
| PSA 8 | $58.41 |
| PSA 9 | $107.75 |
| PSA 10 | $800 |
| BGS 10 | $1040 |
| CGC 10 | $155.9 |
| SGC 10 | $480 |
TCGplayer market price: $47.7 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-base-set/pokemon-base-set-gastly-1st-edition-50