| ebay.es | n=4 | $63.59 | +120% |
| ebay.it | n=2 | $56.69 | +97% |
| ebay.co.uk | n=18 | $54.68 | +90% |
| ebay.de | n=13 | $45.08 | +56% |
| ebay.com | n=115 | $39.42 | +37% |
| ebay.fr | n=3 | $28.84 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 10 | 40 d | $61.73 | 81.63 |
| eigene LP-Verkäufe ÷ 0.7356 | 28 | 30 d | $73.91 | 2.8 |
| eigene PSA7-Verkäufe ÷ 1.5935 | 5 | 2 mo | $90.04 | 1.71 |
| eigene PSA8-Verkäufe ÷ 2.8216 | 5 | 51 d | $68.74 | 0.93 |
| eigene PSA10-Verkäufe ÷ 80.9401 | 2 | 38 d | $108.41 | 0.18 |
| de roh NM × 1.1918 (Sprach-Faktor aus 19 Karten) | 5 | 4 d | $68.58 | 1.0 |
Measured error for this era×language (backtest): ±19 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 5 | 4 d | $57.54 | 40.82 |
| en roh NM × 0.8391 (Sprach-Faktor aus 19 Karten) | 10 | 40 d | $51.80 | 1.39 |
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 × 0.5269 (Sprach-Faktor aus 18 Karten) | 10 | 40 d | $32.53 | 0.31 |
| de roh NM × 0.2658 (Sprach-Faktor aus 7 Karten) | 5 | 4 d | $15.29 | 0.07 |
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) | 10 | 40 d | $67.12 | 12.2 |
| de roh NM × 0.7849 (Sprach-Faktor aus 13 Karten) | 5 | 4 d | $45.17 | 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.
Frequently asked questions
Is it worth grading Gyarados XY Black Star Promos XY109/211?
A PSA 10 currently sells for about $8,775, raw the card sits at $62.76 — 139.8× as much. Of 700 copies already graded, 4 % received a 10 and 19 % a 9. Mathematically, submitting returns $1,102 on average, before fees and shipping. Rule of thumb: submit when the value at a realistic grade is at least double the raw value — which is the case here. Centering decides it: an off-centre card will not get a 10. The grade distribution comes from the PSA Population Report; people pre-sort before submitting, so your own hit rate may differ.
Auction or Buy It Now — which gets more for Gyarados XY Black Star Promos XY109/211?
Across 8 auctions the median was $62.01, across 45 fixed-price sales $53.13. Auctions therefore fetched about 17 % more — worth it mainly for sought-after cards with several bidders.
What will I get for Gyarados XY Black Star Promos XY109/211 if I want to sell quickly?
Half of all sales fell between $30.73 and $54.53, with a median of $43.25. 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 $21.41. Offers well below $12.85 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.
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