Strong Buy
Grading Vaporeon (Prismatic Evolutions) currently looks like a clear win. Raw copies trade around $33.69 while PSA 10s sell for about $512.50, a 314% Return on Grading. The upside only holds if the copy grades a 10, so inspect edges and surface first.
Among the 105 cards in Prismatic Evolutions with PSA 10 sale data, Vaporeon ranks 2nd for Return on Grading and 11th by PSA 10 price. Of the 10 Rare cards with PSA 10 sales, it is 2nd 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.
