It is a rather unique shape for a butter dish. Usually, they are much more rectangular and have a glass insert.
Antique Silver Plated Butter Dish EPSN
Antique Sterling Silver Butter dish & matching spreader knife - 1925/26
Antique Georgian ogee Barley Twist pillars Parts For Upcycling Repair Work
Beautiful Antique Vinaigrette William 1V C1837 Nice Condition for age gilt grill
ANTIQUE BIRTMAN Calor iron NO CORD - great for door stop
Antique Ornate Silverplate Rogers Smith Vase, Dish Holder?