Help with makers mark on Bowl

Hi have you ever seen a silver mark like this on my c1905 sterling bowl ? I am trying to find the maker of the bowl . is it a letter,symbal, or pictorial mark .the bowl is 10 inches across and weights 15 oz,it seem very high quality bowl I believe it was a wedding gift to my great grandmother in 1905 and was new . in Northampton .Mass. thanks BIll