PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $18.28 |
| PSA 7 | $35 |
| PSA 8 | $43.78 |
| PSA 9 | $80 |
| PSA 10 | $680 |
| BGS 10 | $884 |
| CGC 10 | $408 |
| SGC 10 | $408 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-topsun/pokemon-japanese-topsun-porygon-blue-back-137