Crown spinner flask shaped metal belt buckle BK68 (not a real flask)
Buckle only no belt strap.
The centre crown part spins and please note this is not a real flask, just shaped like one.
Made from zinc alloy this belt buckle will fit any press stud, snap or screw belt up to 40mm (1 1/2 inches) wide with the right buckle holes, see picture. Press stud, snap belts can be seen here.