Mysterious Fossil #109 from Legendary Collection is a 1st edition common card that currently sells for about $260 ungraded, with graded copies ranging from $320 at grade 7 to $14,037 at grade 10. TCGrader's AI has graded 4 copies of Mysterious Fossil (Legendary Collection), averaging 8 overall. A grade 10 copy sells for around $14,037, about 54× the $260 raw price, so high-grade copies are worth grading.