How much is a PSA 10 Blastoise #D270 worth?
The PSA 10 Blastoise #D270 from Amada Super DX 2000 (Japanese) has a median market value of $144, with recent sales ranging $46.79 to $1,182 — based on 5 recent graded sales.
Is a PSA 10 Blastoise #D270 worth more than ungraded?
Yes. A PSA 10 copy has a median value of $144 versus about $6 ungraded — roughly a 24× premium for the PSA 10 grade.
Where do PokéTT's PSA 10 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 10 grade — not a single outlier sale — so the mark reflects the true market.