| ebay.de | n=11 | £21.09 | +53% |
| ebay.com | n=16 | £17.75 | +29% |
| ebay.co.uk | n=4 | £13.75 | — |
How is this value calculated?
Recency-weighted trimmed median of 12 NM sales (RAW; outliers trimmed against the median, newer sales weigh more, dynamic half-life).
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene LP-Verkäufe ÷ 0.7386 | 3 | 39 d | £21.16 | 2.55 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en LP ÷ 0.7386 × 0.8391 | 3 | 39 d | £17.76 | 0.86 |
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 LP ÷ 0.7386 × 0.5255 | 3 | 39 d | £11.12 | 0.25 |
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 LP ÷ 0.7386 × 1.0872 | 3 | 39 d | £23.00 | 2.17 |
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.
#H15 · 
#199 · 
#172 · 
#95 · 
#43 · 
#6 · 
#16 · 
#10 · Frequently asked questions
What will I get for Machamp XY Black Star Promos XY13/211 if I want to sell quickly?
Half of all sales fell between £14.21 and £21.22, with a median of £18.61. 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 Machamp XY Black Star Promos XY13/211 unrealistic?
The cheapest genuine sales were around £9.89. Offers well below £5.93 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.