Machamp #8 from Base Set is a holo rare card that currently sells for about $15.00 ungraded, with graded copies ranging from $75.00 at grade 7 to $8,100 at grade 10. TCGrader's AI has graded 20 copies of Machamp (Base Set), averaging 6.3 overall. A grade 10 copy sells for around $8,100, about 540× the $15.00 raw price, so high-grade copies are worth grading.