Raw, it’s a $0.40 card. Slabbed as a PSA 10 it sells for 131× that, and PSA has only ever handed out 3 of them.
| October 2025 · 1 sale · median $50 · −9% vs Sep | ||||
| 11 | eBay | Grumpig Reverse Holo Uncommon #056 - PSA GEM MT 10 - Battle Styles - Pokemon TCG #056 | −9% | $50.00 |
| September 2025 · 1 sale · median $55 · −54% vs Dec | ||||
| 30 | eBay | 2021 POKEMON SWORD & SHIELD BATTLE STYLES #056 GRUMPIG REVERSE FOIL PSA 10 GEM 056/163 | −54% | $54.99 |
| December 2024 · 1 sale · median $120 | ||||
| 13 | eBay | Pokemon 2021 SwSh Battle Styles SPOINK & GRUMPIG Reverse Holo PSA 10 LOW POP 055/163; 056/163 | — | $119.99 |