Strong Buy
Grading Mew ex (Scarlet & Violet Black Star Promos) currently looks like a clear win. The gap between the $63.65 raw price and the $835.00 PSA 10 price gives a 443% Return on Grading. Worth putting near the front of your next PSA submission.
Among the 25 cards in Scarlet & Violet Black Star Promos with PSA 10 sale data, Mew ex ranks 1st for Return on Grading and 1st by PSA 10 price. Of the 25 Promo cards with PSA 10 sales, it is 1st 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.
