Squirtle #63 from Base Set is a common card that currently sells for about $4.11 ungraded, with graded copies ranging from $24.26 at grade 7 to $400 at grade 10. TCGrader's AI has graded 9 copies of Squirtle (Base Set), averaging 6.9 overall. A grade 10 copy sells for around $400, about 97× the $4.11 raw price, so high-grade copies are worth grading.