Read the stamp
835 silver hallmarks
Among 835 silver hallmarks, a stamp inside a company trademark can be a model number. 835 occurs in several European marking traditions.
Reading the number in context
835 means 835 parts silver per thousand. 835 occurs in several European marking traditions. The number alone does not select a country; look for a national control mark and the maker’s name or initials.
What to check next
Compare with sterling at 925, or 92.5% silver. A stamp inside a company trademark can be a model number, so retain the neighbouring metal and assay marks. Use the maker signature and country device to continue the identification.