Raw, it’s a $2.49 card. Slabbed as a PSA 7 it sells for 6.1× that.
| August · 1 sale · median $20 · +90% vs Mar | ||||
| 14 | eBay | 2018 POKEMON SUN & MOON LOST THUNDER #91 UNOWN-REVERSE FOIL PSA 7 #91 | +90% | $19.99 |
| March · 1 sale · median $11 | ||||
| 15 | eBay | 2018 POKEMON SUN & MOON LOST THUNDER #91 UNOWN-REVERSE FOIL PSA 7 #91 | — | $10.50 |