How much is a BGS 9 Ninetales #12 worth?
The BGS 9 Ninetales #12 from Base Set (English) has a median market value of $2,738 — an estimated reference value from aggregated sold data.
Is a BGS 9 Ninetales #12 worth more than ungraded?
Yes. A BGS 9 copy has a median value of $2,738 versus about $299 ungraded — roughly a 9.2× premium for the BGS 9 grade.
Where do PokéTT's BGS 9 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the BGS 9 grade — not a single outlier sale — so the mark reflects the true market.