Professor Elm’s Lecture
| ebay.de | n=12 | £2.06 | +40% |
| ebay.es | n=7 | £1.86 | +26% |
| ebay.co.uk | n=20 | £1.77 | +20% |
| ebay.nl | n=4 | £1.66 | +13% |
| ebay.com | n=33 | £1.47 | — |
How is this value calculated?
Recency-weighted trimmed median of 40 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 | 30 | 2 mo | £1.57 | 244.9 |
| eigene LP-Verkäufe ÷ 0.9487 | 17 | 2 mo | £1.86 | 8.88 |
Measured error for this era×language (backtest): ±16 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.8113 (Sprach-Faktor aus 10 Karten) | 30 | 2 mo | £1.27 | 3.6 |
Measured error for this era×language (backtest): ±34 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1893 (Sprach-Faktor aus 36 Karten) | 30 | 2 mo | £1.86 | 3.9 |
Measured error for this era×language (backtest): ±9 %
Gate not green — shown only here, never as the price.
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.9511 (Sprach-Faktor aus 5 Karten) | 30 | 2 mo | £1.49 | 2.72 |
Measured error for this era×language (backtest): ±17 %
Gate not green — shown only here, never as the price.
No PSA numbers for this print yet — in any language.
#213 · UR
#226 · SEC
#227 · SEC
#206 · UR
#207 · UR
#215 · SEC
#220 · SEC
#214 · UR
#221 · SEC
#211 · UR
#210 · UR
#223 · SECFrequently asked questions
What will I get for Professor Elm’s Lecture Lost Thunder 188/214 if I want to sell quickly?
Half of all sales fell between £1.40 and £2.21, with a median of £1.76. 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 Professor Elm’s Lecture Lost Thunder 188/214 unrealistic?
The cheapest genuine sales were around £1.06. Offers well below £0.63 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.