Giant Bomb
No PSA population on file yet
Either PSA hasn’t graded an English copy, or its set isn’t in Conduit yet.
Takes
Mewtwo & Mew GX6,829 graded
Umbreon & Darkrai GX6,390 graded
Raichu & Alolan Raichu GX6,240 graded
Slowpoke & Psyduck GX4,437 graded
Raichu & Alolan Raichu GX4,263 graded
Mega Sableye & Tyranitar GX4,070 graded
Mega Sableye & Tyranitar GX3,858 graded
Slowpoke & Psyduck GX3,750 graded
Garchomp & Giratina GX3,691 graded
Misty's Favor3,620 graded
Population counts grading submissions, not every copy that exists.
