This jar has a glass base that stands 2 3/8" high to the rim and measures 1 3/4" across on the bottom. The tapered body leads to a 2" diameter lip that is fitted with a silver top stamped "S. Kirk & Son" (used 1932-61), "Sterling," and "17F."
The glass is etched in a grape and vine design indicating this is intended for jam or jelly, although it is of a size that would function as well for mustard.
The just over .6 T. oz. lid is a "Repousse" design with a solid floral finial...