Entei #4 from Secret Wonders is a reverse holo holo_rare card that currently sells for about $10.67 ungraded, with graded copies ranging from $26.75 at grade 7 to $2,100 at grade 10. A grade 10 copy sells for around $2,100, about 197× the $10.67 raw price, so high-grade copies are worth grading.