PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $1.23 |
| PSA 9 | $15.91 |
| PSA 10 | $41.05 |
| BGS 10 | $53 |
| CGC 10 | $25 |
| SGC 10 | $25 |
TCGplayer market price: $1.03 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-breakthrough/pokemon-breakthrough-professor-s-letter-reverse-holo-146