PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $14.37 |
| PSA 7 | $32.5 |
| PSA 8 | $48.5 |
| PSA 9 | $74.59 |
| PSA 10 | $532 |
| BGS 10 | $692 |
| CGC 10 | $66.47 |
| SGC 10 | $319 |
Market context: ungraded price -32.4% over 30 days. -8.9% over 90 days. PSA 10 premium: 37.0× ungraded.
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-porygon-green-back-137