Raichu #15 from Mysterious Treasures is a reverse holo holo_rare card that currently sells for about $8.50 ungraded, with graded copies ranging from $25.16 at grade 7 to $1,625 at grade 10. A grade 10 copy sells for around $1,625, about 191× the $8.50 raw price, so high-grade copies are worth grading.