2 ENGLISH 15K GOLD NAPKIN RINGS: Hallmarked with William Gibson & John Langman makers mark London, .625 15K marks. Monogrammed A.F.P. and F.F.P. 1927-1977. 1 3/4'' dia., approx. 35.8 grams. Gibson and Langman later changed the firms name and became the Goldsmiths & Silversmiths Co. Ltd. in 1898.