Thanks to the help that I got I have decided that the card that I purchased is authentic.
I finally got around to making a card for Dale from his playing days at Milligan. Milligan College's mascot is the Buffalo. They are affectionately called "The Buffs."
Dale Alexander Photo: Milligan College Buffalo, 1924. Archives and Special Collections, P. H. Welshimer Memorial Library, Milligan College. (Thanks to Meredith Sommers - Information Resources Librarian/College Archivist for the scanned images.)
Buffalo Clipart: fotosearch.com