How much is a PSA 8 Erika's Venusaur #4 worth?
The PSA 8 Erika's Venusaur #4 from Gym Challenge (English) has a median market value of $150, with recent sales ranging $150 to $150 — based on 1 recent graded sale.
Is a PSA 8 Erika's Venusaur #4 worth more than ungraded?
Yes. A PSA 8 copy has a median value of $150 versus about $120 ungraded — roughly a 1.2× 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.