| ebay.com | n=39 | £2.90 | +35% |
| ebay.de | n=2 | £2.60 | +21% |
| ebay.es | n=2 | £2.41 | +12% |
| ebay.co.uk | n=8 | £2.16 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 8 | 34 d | £1.47 | 65.31 |
| eigene LP-Verkäufe ÷ 0.7191 | 16 | 45 d | £5.09 | 2.17 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.9509 (Sprach-Faktor aus 21 Karten) | 8 | 34 d | £1.40 | 0.82 |
Measured error for this era×language (backtest): ±43 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.5718 (Sprach-Faktor aus 16 Karten) | 8 | 34 d | £0.84 | 0.28 |
Measured error for this era×language (backtest): ±12 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.0872 (Sprach-Faktor aus 35 Karten) | 8 | 34 d | £1.60 | 11.76 |
Measured error for this era×language (backtest): ±14 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
#088 · 
#12
#056 · 
Frequently asked questions
What will I get for Froakie XY Black Star Promos XY138/211 if I want to sell quickly?
Half of all sales fell between £2.13 and £3.68, with a median of £2.87. 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 Froakie XY Black Star Promos XY138/211 unrealistic?
The cheapest genuine sales were around £1.47. Offers well below £0.88 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.