How much is a PSA 10 Rayquaza #3 worth?
The PSA 10 Rayquaza #3 from S-P Promotional Cards (Japanese) has a median market value of $141, with recent sales ranging $25.04 to $5,006 — based on 75 recent graded sales.
Is a PSA 10 Rayquaza #3 worth more than ungraded?
Yes. A PSA 10 copy has a median value of $141 versus about $62.55 ungraded — roughly a 2.3× 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.