PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $5.15 |
| PSA 8 | $15.5 |
| PSA 9 | $21.32 |
| PSA 10 | $120 |
| BGS 10 | $156 |
| CGC 10 | $72 |
| SGC 10 | $72 |
TCGplayer market price: $6 (as of 2026-07-05)
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-mysterious-mountains/pokemon-japanese-mysterious-mountains-slugma-1st-edition-20