Professor Elm’s Lecture
Market price
$20.53
Price history · RAW
2026-06-23 · $2.96
$23.34 · 2026-07-15
How is this value calculated?
Ladder estimate · English
· ~$2.09
gruen
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 30 | 2 mo | $2.08 | 244.9 |
| eigene LP-Verkäufe ÷ 0.9309 | 17 | 2 mo | $2.51 | 7.68 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $2.09 · Σ g = 252.58
Measured error for this era×language (backtest): ±16 %
Ladder estimate · Deutsch
· ~$1.36
gelb
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.653 (Sprach-Faktor aus 8 Karten) | 30 | 2 mo | $1.36 | 0.54 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $1.36 · Σ g = 0.54
Measured error for this era×language (backtest): ±34 %
Gate not green — shown only here, never as the price.
Ladder estimate · Français
· ~$2.47
rot
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.1893 (Sprach-Faktor aus 36 Karten) | 30 | 2 mo | $2.47 | 3.9 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $2.47 · Σ g = 3.9
Measured error for this era×language (backtest): ±9 %
Gate not green — shown only here, never as the price.
Ladder estimate · Italiano
· ~$2.90
gelb
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 1.3944 (Sprach-Faktor aus 5 Karten) | 30 | 2 mo | $2.90 | 3.56 |
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $2.90 · Σ g = 3.56
Measured error for this era×language (backtest): ±17 %
Gate not green — shown only here, never as the price.
PSA Population
No PSA numbers for this print yet — in any language.
Recent sales · 5
| 2026-07-15 | EN | RAW LP | Professor Elm’s Lecture 188/214 Lost Thunder Reverse Holo Re · eBay | $19.68 |
| 2026-07-12 | EN | RAW UNKNOWN | Professor Elm's Lecture - (Regional Championships) 188/214 L | $2.96 |
| 2026-06-28 | EN | RAW LP | Professor Elm’s Lecture 188/214 Lost Thunder Reverse Holo Re | $23.34 |
| 2026-06-25 | EN | RAW UNKNOWN | Professor Elm's Lecture - (Regional Championships) 188/214 L | $10.44 |
| 2026-06-23 | EN | RAW UNKNOWN | Professor Elm's Lecture - (Regional Championships) 188/214 R | $15.65 |
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Frequently asked questions
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.
Professor Elm’s Lecture Lost Thunder · 188/214