I was watching the spring, 2019 Huggins & Scott auction closely. They were offering a 1954 Stahl-Meyer Franks Mickey Mantle in PSA 1 POOR. In spite of its lowly grade, it has a lowlier PSA pop of 17 for the year. Though there were plenty of creases, a few stains, and the factory lot inventory number stamp (that landed in the exotic purple background beside Mick's cheek), the card presented very well, with the heart of the card---Mickey's face, hat, and neck virtually unmarred. With the required juice, the card sold for $6,519.
That's a very impressive price for a PSA 1 Mantle. To put it into perspective, earlier this year a 1954 Stahl-Meyer Willie Mays went for $1,320, or about 20% of what the Mantle auctioned for. While the '54 Stahlie of Mickey Mantle is considered his toughest Stahl-Meyer, the '54 Willie Mays Stahlie was the only year they issued Say Hey. Very interesting.
--- Brian Powell