Raw, it’s a $3.50 card. Slabbed as a PSA 9 it sells for 109× that.
We only have today’s PSA 9 price so far, so the line is flat. The dots are sales we’ve already recorded.
| September · 1 sale · median $381 | ||||
| 15 | eBay | 2018 Pokemon Lost Thunder Professor Elm's Lecture Staff Reverse Foil #188 PSA 9 #188 | — | $381.00 |