[JRumierz]

The checklist i now at 25:

Aber, Aguirre, Bertoia (3), Bolling, Bunning (2), Dittmer, Foytack, Hegan, Henrich, Hoeft, House, Kaline, Kuenn, Lee, Martin, Morgsn, Porter, Sanford, Shaw, Sleater, Thompson, Zernial.

The 1957 cards have "Post Card" in script
the 1958 cards have Post Card" lettered
No distinct card comes with both backs.

2 Players have cards in both years.
Bertoia ( '57-fielding, '58-Port) Bertoia 1957--2 signature variations
Bunning ('57- full "t", 58- cropped "t")

LOOKING FOR SIGNED DiTTMER AND KALINE.