Gyarados #12 from Legendary Collection is a 1st edition holo holo_rare card that currently sells for about $1,124 ungraded, with graded copies ranging from $3,300 at grade 7 to $18,247 at grade 10. A grade 10 copy sells for around $18,247, about 16× the $1,124 raw price, so high-grade copies are worth grading.