PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $3 |
| PSA 8 | $5 |
| PSA 9 | $5.59 |
| PSA 10 | $44 |
| BGS 10 | $50 |
| CGC 10 | $14.11 |
| SGC 10 | $7.38 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-old-maid/pokemon-japanese-old-maid-slowpoke-card