How is this value calculated?
Recency-weighted trimmed median of 6 NM sales (RAW; outliers trimmed against the median, newer sales weigh more, dynamic half-life).
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 2 | 3 mo | £2.75 | 16.33 |
| eigene PSA8-Verkäufe ÷ 6.3001 | 2 | 10 d | £5.47 | 0.97 |
| eigene PSA9-Verkäufe ÷ 24.0908 | 3 | 5 mo | £1.00 | 0.3 |
Measured error for this era×language (backtest): ±18 %
No PSA numbers for this print yet — in any language.
#133 · UR
#100 · UR
#144 · IR
#189 · SEC
#93 · R
#168 · UR
#84 · R
#91 · R
#106 · UR
#103 · UR
#74 · R
#77 · R
#126 · R
#064 · RR
#114 · RH
#066 · HR
#129 · RFrequently asked questions
What will I get for Cobalion BW Black Star Promos BW72/101 if I want to sell quickly?
Half of all sales fell between £1.46 and £2.56, with a median of £2.10. 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 Cobalion BW Black Star Promos BW72/101 unrealistic?
The cheapest genuine sales were around £1.43. Offers well below £0.86 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.