| ebay.it | n=22 | $2.39 | +63% |
| ebay.es | n=2 | $2.05 | +40% |
| ebay.de | n=6 | $1.61 | +10% |
| ebay.com | n=15 | $1.47 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 10 | 2 mo | $2.72 | 81.63 |
| it roh NM × 0.9451 (Sprach-Faktor aus 151 Karten) | 8 | 4 mo | $2.15 | 4.53 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| it roh NM × 0.9275 (Sprach-Faktor aus 94 Karten) | 8 | 4 mo | $2.12 | 1.43 |
| en roh NM × 1.0487 (Sprach-Faktor aus 144 Karten) | 10 | 2 mo | $2.86 | 1.31 |
Measured error for this era×language (backtest): ±22 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.8535 (Sprach-Faktor aus 61 Karten) · Set -12% nachgeführt | 10 | 2 mo | $2.15 | 1.37 |
| it roh NM × 0.8843 (Sprach-Faktor aus 52 Karten) · Set -12% nachgeführt | 8 | 4 mo | $1.86 | 0.61 |
Measured error for this era×language (backtest): ±20 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 8 | 4 mo | $2.27 | 65.31 |
| eigene LP-Verkäufe ÷ 0.8708 | 5 | 3 mo | $3.00 | 4.83 |
| en roh NM × 1.058 (Sprach-Faktor aus 151 Karten) | 10 | 2 mo | $2.88 | 4.72 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
#114 · 
#195 · 
#6
#35 · 
#48 · 
#41 · 
#56 · 
#50 · 
#81 · 
#44 · 
#53 · Frequently asked questions
What will I get for Blitzle SWSH Black Star Promos SWSH173/307 if I want to sell quickly?
Half of all sales fell between $1.46 and $2.62, with a median of $2.14. 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 Blitzle SWSH Black Star Promos SWSH173/307 unrealistic?
The cheapest genuine sales were around $0.99. Offers well below $0.59 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 Blitzle SWSH Black Star Promos SWSH173/307 worth more?
From real sales: Italian $2.39 (32), English $1.59 (26). Italian fetches about 50 % 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.