How is this value calculated?
Recency-weighted trimmed median of 3 NM sales (RAW; outliers trimmed against the median, newer sales weigh more, dynamic half-life).
No PSA numbers for this print yet — in any language.
#XY204 · 
Frequently asked questions
What will I get for Gym Badge · League Promo League Promos XY210 if I want to sell quickly?
Half of all sales fell between $17.57 and $34.65, with a median of $29.03. Selling fast lands you nearer the lower end; with patience, good photos and a complete title the upper end is achievable.
Below which price is an offer for Gym Badge · League Promo League Promos XY210 unrealistic?
The cheapest genuine sales were around $14.85. Offers well below $8.91 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.
How does lastsold determine the market value?
lastsold uses only real sales — eBay plus auction houses like Goldin & Fanatics — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.