First of all sorry for not posting a photo but ive been trying all evening and because its so small I cant get a good one.
I dug up a ring about 20 years ago in my Mother and Fathers garden in the Isle of wight and have just found it again in a cupboard.
It has very small hallmarks they are all surrounded by a square and it reads …
F.B Z **
Can anyone enlighten me on any aspect of the hallmark as I have no experience.