Picked up a grail item!
1959 tagged Toronto Maple Leafs AAA jersey and 1960 tagged pants.
Possibly attributed to Bobby Tiefenauer.
https://sabr.org/bioproj/person/4a537d01
Bobby Gene Tiefenauer (October 10, 1929 – June 13, 2000) was an American professional baseball player and coach. A knuckleball relief pitcher, he pitched for six Major League teams during a ten-year MLB career that stretched between 1952 and 1968: the St. Louis Cardinals (1952, 1955, 1961), Cleveland Indians (1960, 1965–67), Houston Colt .45s (1962), Milwaukee Braves (1963–65), New York Yankees (1965) and Chicago Cubs (1968). Tiefenauer was born in Desloge, Missouri; he threw and batted right-handed.