| ebay.nl | n=2 | £15.37 | +215% |
| ebay.de | n=29 | £11.73 | +140% |
| ebay.co.uk | n=48 | £10.92 | +124% |
| ebay.fr | n=8 | £6.47 | +33% |
| ebay.es | n=7 | £5.32 | +9% |
| ebay.com | n=238 | £4.88 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 46 | 10 d | £9.74 | 375.51 |
| eigene PSA7-Verkäufe ÷ 1.5935 | 2 | 3 mo | £149.45 | 2.8 |
| eigene LP-Verkäufe ÷ 0.7191 | 50 | 9 d | £7.93 | 2.18 |
| eigene PSA9-Verkäufe ÷ 7.8811 | 4 | 3 mo | £15.09 | 1.05 |
| eigene PSA8-Verkäufe ÷ 2.8065 | 6 | 3 mo | £146.58 | 0.91 |
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) | 46 | 10 d | £9.26 | 1.3 |
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 × 0.496 (Sprach-Faktor aus 18 Karten) | 46 | 10 d | £4.83 | 1.5 |
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) | 46 | 10 d | £10.59 | 13.82 |
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.
#111 · HR
#SL4 · R
#15 · UR
#106 · UR
#93 · HR
#93 · HR
#97 · SEC
#151 · UR
#87 · LEG
#88 · LEG
#199 · IR
#150 · UR
#38 · C
#102 · HRFrequently asked questions
Auction or Buy It Now — which gets more for Groudon EX XY Black Star Promos XY42/211?
Across 31 auctions the median was £6.80, across 186 fixed-price sales £6.32. There is no meaningful difference — what matters here is how fast you want to sell.
What will I get for Groudon EX XY Black Star Promos XY42/211 if I want to sell quickly?
Half of all sales fell between £3.67 and £12.20, with a median of £5.60. 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 Groudon EX XY Black Star Promos XY42/211 unrealistic?
The cheapest genuine sales were around £2.36. Offers well below £1.42 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.
Is the English or the German Groudon EX XY Black Star Promos XY42/211 worth more?
From real sales: English £5.24 (306), French £4.64 (10). English fetches about 13 % more.
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.