Meganium #18 from Expedition Base Set is a holo holo_rare card that currently sells for about $53.50 ungraded, with graded copies ranging from $88.50 at grade 7 to $2,700 at grade 10. A grade 10 copy sells for around $2,700, about 51× the $53.50 raw price, so high-grade copies are worth grading.