How much is a PSA 6 Erika's Venusaur #4 worth?
The PSA 6 Erika's Venusaur #4 from Gym Challenge (English) has a median market value of $129, with recent sales ranging $107 to $150 — based on 2 recent graded sales.
Is a PSA 6 Erika's Venusaur #4 worth more than ungraded?
Yes. A PSA 6 copy has a median value of $129 versus about $120 ungraded — roughly a 1.1× premium for the PSA 6 grade.
Where do PokéTT's PSA 6 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 6 grade — not a single outlier sale — so the mark reflects the true market.