Chansey #3 from Base Set is a holo rare card that currently sells for about $22.62 ungraded, with graded copies ranging from $53.69 at grade 7 to $9,800 at grade 10. TCGrader's AI has graded 25 copies of Chansey (Base Set), averaging 6.9 overall. Only 8% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $9,800, about 433× the $22.62 raw price, so high-grade copies are worth grading.