I have two baseballs that I have been unable to find anything about, and was hoping someone on here might have some expertise to point me in the right direction.
Based on the Spalding box, I would guess these balls are from the late 50s early 60s.
http://instagram.com/p/rmhmrGF7wB
http://instagram.com/p/rmhiNpl7_6
http://instagram.com/p/rmhfPPl7_2