Chansey #3 from Base Set is a 1st edition rare card that currently sells for about $389 ungraded, with graded copies ranging from $910 at grade 7 to $40,000 at grade 10. TCGrader's AI has graded 8 copies of Chansey (Base Set), averaging 7.5 overall. Only 13% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $40,000, about 103× the $389 raw price, so high-grade copies are worth grading.