| September · 1 sale · median $71 · +8% vs Feb | ||||
| 12 | eBay | PSA 10 Cool Couple A021 E-battle Firered & Leafgreen Blastoise (blue) POKEMON Japanese #A021 | +8% | $71.04 |
| February · 1 sale · median $66 · −27% vs Nov | ||||
| 1 | eBay | PSA 10 2025 CERT SLOWKING/JYNX 2004 POKEMON JPN E BATTLE FR & LG BLASTOISE #A021 Japanese #2025 | −27% | $66.00 |
| November 2025 · 1 sale · median $90 | ||||
| 13 | eBay | PSA 10 Blastoise Blue Cool Cpl. Geb Megan #A021 Japanese e-BATTLE FR LG Pokemon Japanese | — | $90.00 |