Raw, it’s a $1.77 card. Slabbed as a PSA 10 it sells for 282× that, and PSA has only ever handed out 3 of them.
| August · 1 sale · median $1,775 · +102% vs Apr | ||||
| 16 | eBay | Pokemon Slowking Holo XY Breakpoint 21/122 PSA 10 Gem Mint 21/122 | +102% | $1,775 |
| April · 1 sale · median $880 · +76% vs Mar | ||||
| 28 | eBay | Pokémon XY Breakpoint Slowking, Holo Variant PSA 10 GEM MT #21 | +76% | $880.00 |
| March · 1 sale · median $500 · +329% vs Aug | ||||
| 11 | eBay | 2016 POKEMON XY BREAKPOINT #21 SLOWKING-HOLO PSA 10 #21 | +329% | $500.00 |
| August 2025 · 1 sale · median $116 · −10% vs Oct | ||||
| 30 | eBay | Slowking Holo 21/122 PSA 10 - Pokemon TCG XY Breakpoint | −10% | $116.44 |
| October 2024 · 1 sale · median $130 · +117% vs Sep | ||||
| 1 | eBay | 2016 Pokemon XY Breakpoint Slowking Holo #21 PSA 10 GEM MINT #21 | +117% | $129.99 |
| September 2024 · 1 sale · median $60 · −52% vs Aug | ||||
| 16 | eBay | 2016 Pokemon XY Breakpoint Slowking Holo #21 PSA 10 GEM MINT #21 | −52% | $60.00 |
| August 2024 · 1 sale · median $125 · −4% vs Jan | ||||
| 31 | eBay | 2016 Pokemon XY Breakpoint Slowking Holo #21 PSA 10 | −4% | $125.00 |
| January 2024 · 1 sale · median $130 · −13% vs Dec | ||||
| 8 | eBay | 2016 Pokemon XY Slowking Holo Breakpoint 21/122 PSA 10 GEM MT MH | −13% | $129.99 |
| December 2022 · 1 sale · median $150 · −2% vs Dec | ||||
| 7 | eBay | 2016 Pokemon XY Breakpoint Slowking Holo Rare 21/122 PSA 10 Gem Mint POP 9 | −2% | $149.99 |
| December 2021 · 1 sale · median $153 | ||||
| 2 | eBay | Pokemon XY Slowking Holo Breakpoint #21 PSA 10 GEM MINT L538 | — | $152.50 |