It is about fees, buyer intent, sell-through speed, trust, audience size, and how much work you want to do per sale
GRADING EXPERT'S TAKE Trading Card Market Analyst The visible set stamp, card number, character, and artist attribution are clear and consistent, allowing for high confidence in identification
To help you understand the difference, we approached one of the world's leading trading card grading companies, Professional Sports Authenticator (PSA)
(Scryfall note, 2019-12-07)
I probably told her the name of the card and concept behind it, Garfield continued, but my philosophy, which I passed on to Jesper, was that artists are creative folk, and that the best way to take advantage of their creativity is to see where they go with the cards. Garfield was pleased with the results