Here is a list of the pre-1970 vintage baseball I have available:
Vintage baseball for trade
1953 Topps: 55 Maurice McDermott
1954 Topps: 177 Bob Milliken
1955 Topps: 31 Warren Spahn, 68 Jim Davis, 94 Reno Bertoia, 140 Mel Parnell
1956 Topps: 17 Gene Conley, 50 Dusty Rhodes, 301 Marv...