Half-dial is marked "GEBRUDER HAFF/G.M.B.H./PF RONTEN/1838". Black leather case is marked "Gebruder Haff/ G.m.b.H./ Pfronten/1938" over eagle "WtA 11" on back. Strap attachments on sides. Belt loops on back. Lid with stud closure. SIZE: PROVENANCE: Collection of Dr. Geoffrey Sturgess. CONDITION: Very fine, calculator is complete and functional with very little wear to the satin chrome finish. Leather case is solid with minor scuffs and wear on edges. Minor cracking on strap creases, stitching retains orig color. 43475-1083 BWS (2,000-3,000)