How much is a PSA 8 Erika's Vileplume #5 worth?
The PSA 8 Erika's Vileplume #5 from Gym Heroes (English) has a median market value of $140, with recent sales ranging $92 to $163 — based on 8 recent graded sales.
Is a PSA 8 Erika's Vileplume #5 worth more than ungraded?
Yes. A PSA 8 copy has a median value of $140 versus about $74.99 ungraded — roughly a 1.9× premium for the PSA 8 grade.
Where do PokéTT's PSA 8 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 8 grade — not a single outlier sale — so the mark reflects the true market.