'HORO-MEMO' A FRENCH SHAGREEN COVERED METAL 'MECHANICAL MEMORY' AND CASE MADE BY C. MAMET & CIE

'HORO-MEMO' A FRENCH SHAGREEN COVERED METAL 'MECHANICAL MEMORY' AND CASE MADE BY C. MAMET & CIE
CIRCA 1925
The angled metal case covered in shagreen, the day planner having a clock, notched tumblers on either side, one plastic memo sheet, with small removable pins that are stored on the underside, metal plate etched and enamelled with the days of the week, maker's marks for C.Mamet & Cie, Breveté S.G.D.G, made in France B3868 on the underside; with original carrying case and key
Carrying case 4 ¾ in. (12 cm.) high; 10 in. (25.5 cm.) long; 7 ½ in. (19 cm.)