IDENTIFY MARKS ?

Is these marks what i found out?
jOHN GILBERT maker
BIRMINGHAM
STERLING
the letter b means 1799 or 1876?
Thanks for any help.
P1090874.jpg

Certainly Birmingham, but I make it 1901/2, and with that date, possibly Joseph Gloster as the maker.
Regards
John

Yes i think you are correct.Now i becarefull the G.
Thank you for the fast help John.