Raw, it’s a $28.75 card. Slabbed as a PSA 9 it sells for 9.1× that.
| November · 1 sale · median $261 · −48% vs Sep | ||||
| 2 | eBay | 2019 Pokemon Sun & Moon Cosmic Eclipse Psyduck Reverse Foil #40 PSA 9 - 4 HIGHER #40 | −48% | $261 |
| September · 1 sale · median $500 · −37% vs Jul | ||||
| 29 | eBay | 2019 Pokemon Sun & Moon Psyduck Reverse Holo Foil #40 Cosmic Eclipse PSA 9 Mint #40 | −37% | $500 |
| July · 1 sale · median $800 · +852% vs Mar | ||||
| 15 | eBay | Psyduck 40/236 PSA 9 Reverse Holo Sun & Moon Cosmic Eclipse Pokémon TCG POP 7 40/236 | +852% | $800 |
| March · 1 sale · median $84 · +87% vs Aug | ||||
| 21 | eBay | 2019 POKEMON SUN & MOON COSMIC ECLIPSE #40 PSYDUCK-REVERSE FOIL PSA 9 #40 | +87% | $84 |
| August 2025 · 1 sale · median $45 | ||||
| 2 | eBay | Pokemon Psyduck 40/236 Common Reverse Holo SM Cosmic Eclipse PSA 9 MINT 40/236 | — | $45 |