18th-Century Silver Knife

One Silver dinner knife with original blade - blade corroded. R - under J. Gilbert and another word which is not readable - another just the “W (crown) R”

Silver handles with flower or shell motif and a crest - man’s head in helmet over crown with Latin inscription above ”Virtus in _____”.

ACC 1985.3

OBJ 1985.3.1

4 5/8” silver handle; 6 1/2” blade - approx. 11” overall

Estimated date: 18th century