Shining Magikarp #66 from Celebrations: Classic Collection is a reverse holo common card that currently sells for about $29.43 ungraded, with graded copies ranging from $21.50 at grade 7 to $160 at grade 10. TCGrader's AI has graded 7 copies of Shining Magikarp (Celebrations: Classic Collection), averaging 6.7 overall. A grade 10 copy sells for around $160, about 5.4× the $29.43 raw price, so high-grade copies are worth grading.