Here is a Mays interview from seven years ago, and right in the beginning, Willie shows some acumen about the value of vintage cards. He does, however, get a '52 Bowman Mays card confused with a '51 Bowman Mays card, asserting that the '52 Bowman card of himself is his "first card." As the narrator suggests, Willie is still going strong!
https://www.youtube.com/watch?v=x0tZ66uzfjA