| 01 |  Gengar
#10 · Rare | Skyridge | €4,086.79 |
| 02 |  Gengar
#11 · Rare Holo | Legendary Collection | €1,099.47 |
| 03 |  Mega Gengar ex
#284 · Special Illustration Rare | Ascended Heroes | €796.94 |
| 04 |  Gengar & Mimikyu-GX
#165 · Rare Ultra | Team Up | €720.12 |
| 05 |  Gengar VMAX
#271 · Rare Rainbow | Fusion Strike | €568.45 |
| 06 |  Gengar
#H9 · Rare Holo | Skyridge | €557.68 |
| 07 |  Sabrina's Gengar
#29 · Rare | Gym Challenge | €469.46 |
| 08 |  Gengar
#13 · Rare Holo | Expedition Base Set | €379.82 |
| 09 |  Gengar & Mimikyu-GX
#164 · Rare Ultra | Team Up | €294.06 |
| 10 |  Gengar
#48 · Rare | Expedition Base Set | €267.73 |
| 11 |  Gengar
#5 · Rare Holo | Legend Maker | €157.82 |
| 12 |  Gengar
#20 · Rare | Fossil | €155.90 |
| 13 |  M Gengar-EX
#XY166 · Promo | XY Black Star Promos | €141.67 |
| 14 |  Gengar & Mimikyu-GX
#186 · Rare Rainbow | Team Up | €95.40 |
| 15 |  Gengar & Mimikyu-GX
#53 · Rare Holo GX | Team Up | €94.23 |
| 16 |  Sabrina's Gengar
#14 · Rare Holo | Gym Heroes | €83.35 |
| 17 |  Gengar ex
#108 · Rare Holo EX | FireRed & LeafGreen | €54.86 |
| 18 |  Gengar-EX
#114 · Rare Ultra | Phantom Forces | €54.27 |
| 19 |  Gengar-EX
#34 · Rare Holo EX | Phantom Forces | €53.23 |
| 20 |  Dark Gengar
#6 · Rare Holo | Neo Destiny | €46.87 |
| 21 |  Mega Gengar ex
#269 · MEGA_ATTACK_RARE | Ascended Heroes | €45.97 |
| 22 |  Gengar VMAX
#157 · Rare Holo VMAX | Fusion Strike | €40.82 |
| 23 |  Gengar
#TG06 · Trainer Gallery Rare Holo | Lost Origin Trainer Gallery | €39.05 |
| 24 |  Gengar ex
#193 · Ultra Rare | Temporal Forces | €31.59 |
| 25 |  Gengar
#5 · Rare Holo | Fossil | €29.47 |
| 26 |  Gengar
#94 · Rare Prime | HS—Triumphant | €27.42 |
| 27 |  Gengar
#38 · Rare Holo | Crimson Invasion | €23.20 |
| 28 |  Gengar
#16 · Rare | Arceus | €20.32 |
| 29 |  Gengar
#17 · Rare | Arceus | €20.32 |
| 30 |  Gengar
#35 · Rare Holo | Generations | €19.72 |
| 31 |  Gengar
#85 · Rare Holo | Sword & Shield | €18.87 |
| 32 |  Gengar
#70 · Rare | Unbroken Bonds | €18.50 |
| 33 |  Gengar
#18 · Rare | Stormfront | €17.07 |
| 34 |  Gengar
#27 · Rare | Diamond & Pearl | €14.99 |
| 35 |  Gengar
#60 · Rare Holo | BREAKthrough | €14.19 |
| 36 |  Gengar V
#156 · Rare Holo V | Fusion Strike | €8.65 |
| 37 |  Gengar
#94 · Rare | 151 | €8.05 |
| 38 |  Gengar
#57 · Rare Holo | Chilling Reign | €7.46 |
| 39 |  Gengar ex
#104 · Double Rare | Temporal Forces | €5.10 |
| 40 |  Gengar
#66 · Rare Holo | Lost Origin | €4.96 |
| 41 |  Gengar GL
#40 · Uncommon | Rising Rivals | €4.64 |
| 42 |  Gengar
#SWSH052 · Promo | SWSH Black Star Promos | €2.91 |
| 43 |  Mega Gengar ex
#125 · Double Rare | Ascended Heroes | €2.29 |
| 44 |  Mega Gengar ex
#56 · Double Rare | Phantasmal Flames | €1.76 |
| 45 |  Gengar
#50 · Rare | Perfect Order | €0.51 |
| 46 |  Gengar
#57 · Uncommon | Paldean Fates | €0.08 |
| 47 |  Gengar
#SWSH241 · Promo | SWSH Black Star Promos | €0.02 |
| 48 |  M Gengar-EX
#121 · Rare Secret | Phantom Forces | $557.94 |
| 49 |  Gengar LV.X
#97 · Rare Holo LV.X | Arceus | $429.16 |
| 50 |  M Gengar-EX
#35 · Rare Holo EX | Phantom Forces | $161.71 |