How much is a PSA 10 Brock's Ninetales #3 worth?
The PSA 10 Brock's Ninetales #3 from Gym Challenge (English) has a median market value of $2,051, with recent sales ranging $1,725 to $2,375 — based on 10 recent graded sales.
Is a PSA 10 Brock's Ninetales #3 worth more than ungraded?
Yes. A PSA 10 copy has a median value of $2,051 versus about $158 ungraded — roughly a 13× 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.