Chansey #3 from Base Set is a holo rare card that currently sells for about $22.02 ungraded, with graded copies ranging from $52.95 at grade 7 to $9,800 at grade 10. TCGrader's AI has graded 15 copies of Chansey (Base Set), averaging 6.5 overall. Only 7% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $9,800, about 445× the $22.02 raw price, so high-grade copies are worth grading.