PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $28.78 |
| PSA 8 | $56.25 |
| PSA 9 | $66.29 |
| PSA 10 | $1135.26 |
| BGS 10 | $1476 |
| CGC 10 | $681 |
| SGC 10 | $681 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-promo/pokemon-promo-detective-pikachu-stamp-SM190