First, let me protest my spell checker's version of "enamelled". We favor the doubled consonant, and have only capitulated to appease the mighty google.
Height 1 3/4; top diameter 4 1/8 inches, weight 3.92 oz. Troy, no monogram, some very minor enamel loss, light scratches and barely visible dents but fine overall condition, unmarked.
Knight was a designer and silversmith who achieved both Craftsman and Master designations from the Boston Society of Arts & Crafts. For similar examples, please see the web pages of Boston's Museum of Fine Arts (also unmarked, search for item 1987.68) or the excellent and informative Chicago Silver website.