Strong Buy
Grading Gyarados from Pokémon GO currently looks like a clear win. Raw copies trade around $0.48 while PSA 10s sell for about $550.00, a 508% Return on Grading. The upside only holds if the copy grades a 10, so inspect edges and surface first.
Among the 51 cards in Pokémon GO with PSA 10 sale data, Gyarados ranks 2nd for Return on Grading and 2nd by PSA 10 price. Of the 12 Rare Holo cards with PSA 10 sales, it is 2nd for Return on Grading. The median PSA 10 in this set sells for $59.99. 7 of the 51 clear a 100% Return on Grading.
