Worth Grading
The grading maths works on Slowpoke from Prismatic Evolutions. The gap between the $7.36 raw price and the $199.00 PSA 10 price gives a 104% Return on Grading. Not spectacular, but the margin is real once fees are covered.
Among the 105 cards in Prismatic Evolutions with PSA 10 sale data, Slowpoke ranks 14th for Return on Grading and 22nd by PSA 10 price. Of the 12 Common cards with PSA 10 sales, it is 1st for Return on Grading. The median PSA 10 in this set sells for $82.73. 14 of the 105 clear a 100% Return on Grading.
