Vintage British-made leather horseshoe collar stud box (often called a "stud case D66

The foil stamping clarifies the origin: this is a vintage British-made leather horseshoe collar stud box (often called a "stud case" or "trinket box") used by gentlemen in the mid-20th century. The Case Design: The unique shape is traditionally referred to as a "horseshoe" layout. It was designed specifically to sit flat on a dressing table or pack snugly into a travel vanity trunk.What it Held: These rigid leather containers were specifically made to store detachable collar studs, cufflinks, tie clips, and small metal fasteners required for formal vintage shirts. It's also has a metal bottle opener shoe horn on the top of the case. Nice little collectible case trinket box.