Regal Octofone Octave Mandolin (1920's-30's)

8 strings in 4 courses, natural finish, bound top and back, birch sides and back, double cutaway body, four-on-a-plate tuners with white buttons, rosette, ebony bridge, 19 frets, ~21" scale, 1-7/16" nut width, (except needs considerable work to make playable, makes a nice wall-hanger -- sold AS-IS)