Raw, it’s a $1.95 card. Slabbed as a PSA 10 it sells for 31× that.
| July · 1 sale · median $79 · +163% vs May | ||||
| 25 | eBay | Pokemon Promo Revavroom 121 PSA 10 #121 | +163% | $79.00 |
| May 2025 · 1 sale · median $30 · +7% vs Mar | ||||
| 12 | eBay | Revavroom COSMOS HOLO Pokemon Blackstar Promo Card SVP 121 PSA 10 POP 14 #121 | +7% | $30.00 |
| March 2025 · 1 sale · median $28 · +167% vs Feb | ||||
| 28 | eBay | Revavroom COSMOS HOLO Pokemon Blackstar Promo Card SVP 121 PSA 10 POP 14 #121 | +167% | $28.00 |
| February 2025 · 1 sale · median $11 | ||||
| 28 | eBay | 2024 POKEMON SVP EN-SV BLACK STAR PROMO TWILIGHT MASQUERADE REVAVROOM PSA 10 #121 | — | $10.50 |