| 01 |  Psyduck
#20 · Promo | Wizards Black Star Promos | €97.06 |
| 02 |  Psyduck
#226 · Illustration Rare | Ascended Heroes | €56.12 |
| 03 |  Sabrina's Psyduck
#99 · Common | Gym Challenge | €18.58 |
| 04 |  Psyduck
#79 · Common | Neo Destiny | €12.04 |
| 05 |  Misty's Psyduck
#54 · Uncommon | Gym Heroes | €10.29 |
| 06 |  Misty's Psyduck
#90 · Common | Gym Challenge | €9.22 |
| 07 |  Psyduck
#SM199 · Promo | SM Black Star Promos | €5.98 |
| 08 |  Psyduck
#65 · Common | Team Rocket | €4.29 |
| 09 |  Psyduck δ
#81 · Common | Holon Phantoms | €4.15 |
| 10 |  Psyduck
#53 · Common | Fossil | €2.19 |
| 11 |  Psyduck
#2 | McDonald's Collection 2018 | €1.63 |
| 12 |  Psyduck
#39 · Common | Ascended Heroes | €0.07 |
| 13 |  Slowpoke & Psyduck-GX
#218 · Rare Ultra | Unified Minds | $306.63 |
| 14 |  Slowpoke & Psyduck-GX
#239 · Rare Rainbow | Unified Minds | $194.17 |
| 15 |  Psyduck
#104 · Common | Aquapolis | $167.50 |
| 16 |  Slowpoke & Psyduck-GX
#217 · Rare Ultra | Unified Minds | $137.50 |
| 17 |  Slowpoke & Psyduck-GX
#35 · Rare Holo GX | Unified Minds | $135.14 |
| 18 |  Psyduck
#175 · Illustration Rare | 151 | $75.33 |
| 19 |  Misty's Psyduck
#193 · Illustration Rare | Destined Rivals | $68.99 |
| 20 |  Psyduck
#70 · Common | Team Rocket Returns | $30.26 |
| 21 |  Psyduck
#44 · Common | Team Magma vs Team Aqua | $29.29 |
| 22 |  Psyduck
#87 · Common | Platinum | $25.89 |
| 23 |  Psyduck
#74 · Common | HS—Triumphant | $17.42 |
| 24 |  Psyduck
#73 · Common | Sandstorm | $17.10 |
| 25 |  Psyduck
#32 · Common | Boundaries Crossed | $16.15 |
| 26 |  Psyduck
#100 · Common | Secret Wonders | $12.21 |
| 27 |  Psyduck
#88 · Common | Legendary Collection | $9.04 |
| 28 |  Psyduck
#33 · Common | Boundaries Crossed | $8.31 |
| 29 |  Psyduck
#40 · Common | Cosmic Eclipse | $2.71 |
| 30 |  Psyduck
#16 · Common | BREAKpoint | $1.38 |
| 31 |  Psyduck
#7 · Common | Detective Pikachu | $1.20 |
| 32 |  Psyduck
#28 · Common | Sun & Moon | $1.05 |
| 33 |  Psyduck
#26 · Common | Team Up | $0.97 |
| 34 |  Psyduck
#11 · Common | Hidden Fates | $0.36 |
| 35 |  Psyduck
#24 · Common | Evolving Skies | $0.30 |
| 36 |  Misty's Psyduck
#45 · Uncommon | Destined Rivals | $0.27 |
| 37 |  Psyduck
#28 · Common | Astral Radiance | $0.24 |
| 38 |  Psyduck
#54 · Common | 151 | $0.21 |