| ebay.es | n=2 | £16.10 | +225% |
| ebay.it | n=49 | £10.85 | +119% |
| ebay.com | n=94 | £8.91 | +80% |
| ebay.de | n=35 | £7.00 | +41% |
| ebay.co.uk | n=31 | £5.84 | +18% |
| ebay.fr | n=7 | £4.95 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 73 | 18 d | £9.72 | 595.92 |
| eigene LP-Verkäufe ÷ 0.8814 | 30 | 21 d | £7.41 | 4.92 |
| eigene PSA8-Verkäufe ÷ 1.2096 | 2 | 3 mo | £7.07 | 1.11 |
| eigene PSA9-Verkäufe ÷ 2.6096 | 4 | 39 d | £14.13 | 0.79 |
| eigene PSA10-Verkäufe ÷ 18.1038 | 3 | 3 mo | £105.95 | 0.21 |
| it roh NM × 0.8692 (Sprach-Faktor aus 148 Karten) | 18 | 38 d | £3.22 | 3.75 |
| fr roh NM × 0.9891 (Sprach-Faktor aus 51 Karten) | 5 | 3 mo | £6.87 | 1.3 |
| de roh NM × 0.8531 (Sprach-Faktor aus 138 Karten) | 8 | 35 d | £7.85 | 1.09 |
Measured error for this era×language (backtest): ±17 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 8 | 35 d | £9.19 | 65.31 |
| it roh NM × 0.9992 (Sprach-Faktor aus 90 Karten) | 18 | 38 d | £3.70 | 1.45 |
| en roh NM × 1.1722 (Sprach-Faktor aus 138 Karten) | 73 | 18 d | £11.39 | 1.44 |
| fr roh NM × 1.2081 (Sprach-Faktor aus 47 Karten) | 5 | 3 mo | £8.40 | 0.45 |
Measured error for this era×language (backtest): ±22 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 5 | 3 mo | £6.95 | 40.82 |
| en roh NM × 1.0111 (Sprach-Faktor aus 51 Karten) | 73 | 18 d | £9.83 | 1.09 |
| it roh NM × 0.9629 (Sprach-Faktor aus 43 Karten) | 18 | 38 d | £3.56 | 0.91 |
| de roh NM × 0.8278 (Sprach-Faktor aus 47 Karten) | 8 | 35 d | £7.61 | 0.32 |
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 | 18 | 38 d | £3.70 | 146.94 |
| eigene LP-Verkäufe ÷ 0.8814 | 7 | 3 mo | £13.64 | 4.65 |
| en roh NM × 1.1505 (Sprach-Faktor aus 148 Karten) | 73 | 18 d | £11.18 | 4.19 |
| de roh NM × 1.0011 (Sprach-Faktor aus 90 Karten) | 8 | 35 d | £9.20 | 1.14 |
| fr roh NM × 1.0386 (Sprach-Faktor aus 43 Karten) | 5 | 3 mo | £7.22 | 0.59 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
#143 · 
#166 · 
#95 · 
#12 · 
#037
#166 · 
#133 · 
#39 · Frequently asked questions
Auction or Buy It Now — which gets more for Bulbasaur SWSH Black Star Promos SWSH231/307?
Across 24 auctions the median was £6.20, across 134 fixed-price sales £9.04. Fixed price therefore fetched about 46 % more — for this card patience with a set price is the better route.
What will I get for Bulbasaur SWSH Black Star Promos SWSH231/307 if I want to sell quickly?
Half of all sales fell between £5.91 and £10.69, with a median of £8.67. 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 Bulbasaur SWSH Black Star Promos SWSH231/307 unrealistic?
The cheapest genuine sales were around £4.60. Offers well below £2.76 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.