Psyduck #53 from Fossil is a common card that currently sells for about $2.24 ungraded, with graded copies ranging from $25.81 at grade 7 to $800 at grade 10. TCGrader's AI has graded 9 copies of Psyduck (Fossil), averaging 7.8 overall. Only 22% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $800, about 357× the $2.24 raw price, so high-grade copies are worth grading.