Mystery Vintage Team Cards

Ever find a stack of cards and wonder where they came from? I found a dozen vintage Cardinal cards ranging from 1952 to 1969 in my laptop bag and can’t recall how, when or where they came from. Well, that’s not entirely true, they were in a snap case with a generic receipt totaling $11.53 and an April 2010 date. According to my expense reports, I was in Atlanta GA, Wilmington DE, Phoenix AZ and of course here in St. Louis that month.
Anyway, the stack had five Cardinals team cards…
1960

1961

1962

1964

1968