| ebay.es | n=4 | $63.16 | +55% |
| ebay.co.uk | n=24 | $54.22 | +33% |
| ebay.fr | n=15 | $47.58 | +17% |
| ebay.it | n=7 | $47.34 | +16% |
| ebay.de | n=19 | $44.77 | +10% |
| ebay.com | n=129 | $40.72 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 24 | 11 d | $89.83 | 195.92 |
| eigene LP-Verkäufe ÷ 0.7539 | 43 | 9 d | $63.69 | 3.2 |
| eigene PSA7-Verkäufe ÷ 1.8762 | 10 | 20 d | $99.08 | 2.34 |
| eigene PSA8-Verkäufe ÷ 4.4938 | 10 | 26 d | $56.19 | 1.28 |
| eigene PSA9-Verkäufe ÷ 16.4258 | 3 | 16 d | $97.04 | 0.97 |
| eigene PSA10-Verkäufe ÷ 161.3194 | 2 | 56 d | $54.03 | 0.38 |
| de roh NM × 1.1869 (Sprach-Faktor aus 21 Karten) | 5 | 21 d | $67.75 | 2.04 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 5 | 21 d | $57.08 | 40.82 |
| en roh NM × 0.8425 (Sprach-Faktor aus 21 Karten) | 24 | 11 d | $75.69 | 1.55 |
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 × 0.5082 (Sprach-Faktor aus 29 Karten) | 24 | 11 d | $45.66 | 0.96 |
| de roh NM × 0.5702 (Sprach-Faktor aus 11 Karten) | 5 | 21 d | $32.55 | 0.78 |
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) | 24 | 11 d | $97.67 | 13.37 |
| de roh NM × 0.7849 (Sprach-Faktor aus 13 Karten) | 5 | 21 d | $44.81 | 2.22 |
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.
#XY143
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#225 · Frequently asked questions
Auction or Buy It Now — which gets more for Gyarados XY Black Star Promos XY109/211?
Across 28 auctions the median was $53.04, across 86 fixed-price sales $54.27. There is no meaningful difference — what matters here is how fast you want to sell.
What will I get for Gyarados XY Black Star Promos XY109/211 if I want to sell quickly?
Half of all sales fell between $31.72 and $57.16, with a median of $44.26. 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 Gyarados XY Black Star Promos XY109/211 unrealistic?
The cheapest genuine sales were around $23.66. Offers well below $14.20 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 Last Sold determine the market value?
Last Sold 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.