Marshadow #146 from Mega Evolution is a illustration_rare card that currently sells for about $16.11 ungraded, with graded copies ranging from $11.73 at grade 7 to $85.00 at grade 10. TCGrader's AI has graded 5 copies of Marshadow (Mega Evolution), averaging 8.9 overall. 60% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $85.00, about 5.3× the $16.11 raw price, so high-grade copies are worth grading.