PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $2.71 |
| PSA 9 | $125 |
| PSA 10 | $347.5 |
| BGS 10 | $452 |
| CGC 10 | $209 |
| SGC 10 | $209 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-starter-pack/pokemon-japanese-starter-pack-slowpoke-23