Raw, it’s a $1.24 card. Slabbed as a PSA 9 it sells for 40× that.
| November 2025 · 1 sale · median $50 · −33% vs Jul | ||||
| 16 | eBay | 2019 Lost Thunder Professor Elm’s Lecture 188a Pokemon League 1st Place - PSA 9 #188 | −33% | $50.00 |
| July 2025 · 1 sale · median $75 · +552% vs Nov | ||||
| 7 | eBay | 2019 Lost Thunder Professor Elm’s Lecture 188a Pokemon League 1st Place - PSA 9 #188 | +552% | $75.00 |
| November 2023 · 1 sale · median $12 | ||||
| 11 | eBay | PSA 9 Mint English Pokemon Professor Elm's Lecture Rev Foil Lost Thunder #188 | — | $11.50 |