Nidoking #11 from Base Set is a holo rare card that currently sells for about $20.19 ungraded, with graded copies ranging from $55.00 at grade 7 to $195 at grade 10. TCGrader's AI has graded 9 copies of Nidoking (Base Set), averaging 6.3 overall. A grade 10 copy sells for around $195, about 9.7× the $20.19 raw price, so high-grade copies are worth grading.