PriceCharting market prices as of :
| Condition / grade | Price (USD) |
|---|---|
| Ungraded | $15 |
| PSA 7 | $19.93 |
| PSA 8 | $21.21 |
| PSA 9 | $23 |
| PSA 10 | $39.5 |
| BGS 10 | $66.16 |
| CGC 10 | $27.63 |
| SGC 10 | $24 |
Live charts, history, and collection tools: https://tcginsider.net/sets/pokemon-japanese-promo/pokemon-japanese-promo-iono-s-wattrel-sv-p-232