Physical description

Leather collar case in a horse-shoe shape (impressed leather 'shoe' with 'nails' on top). Top has stiched leather thin 'rope' in the form of a reef knot over the leather strap that closes the box. Hinged with single leather strap. Lining is a fine blue cotton material. A central circular leather stud box with leather handle has broken away from the internal base (due to very firm fitting lid to box?). 1920s-1930s?