American Mandolin, Gibson Mandolin-Guitar Company, Kalamazoo, c. 1913, Model A-4, labeled GIBSON MANDOLIN STYLE A4, NUMBER 18550 IS HEREBY, GUARANTEED..., ETC., length of back 13 5/8 in., with later case.
Surface scratches, finish crackle. Wear to corners of peghead. Nut possibly a replacement. Later chipboard case.