Wormadam Sandy Cloak #42 from Secret Wonders is a reverse holo rare card that currently sells for about $24.23 ungraded, with graded copies ranging from $27.00 at grade 9 to $54.00 at grade 10. A grade 10 copy sells for around $54.00, about 2.2× the $24.23 raw price, so high-grade copies are worth grading.