Gastly #7 from McDonald's Collection 2019 is a reverse holo common card that currently sells for about $6.78 ungraded, with graded copies ranging from $11.68 at grade 7 to $60.61 at grade 10. A grade 10 copy sells for around $60.61, about 8.9× the $6.78 raw price, so high-grade copies are worth grading.