Consider
the Promo Magneton from Scarlet & Violet Black Star Promos sits in borderline territory for grading. Raw copies trade around $59.83 while PSA 10s sell for about $230.00, a 54% Return on Grading. Only send it if you're confident the copy is a genuine Gem Mint candidate.
Among the 25 cards in Scarlet & Violet Black Star Promos with PSA 10 sale data, Magneton ranks 7th for Return on Grading and 8th by PSA 10 price. Of the 25 Promo cards with PSA 10 sales, it is 7th for Return on Grading. The median PSA 10 in this set sells for $60.00. 5 of the 25 clear a 100% Return on Grading.
