Hallmark of an Unknown Leningrad Assay Master - Initials "O-S" - 1875-1886

Hallmarks


Hallmark of an Unknown Leningrad Assay Master - Initials "O-S" - 1875-1886
  • Letter: O-S 1875
  • Year: 1875-1886
  • Shape: Rectangle
  • Description: Hallmark of an unknown assay master. The upper part of the hallmark features the initials "O" and "S" separated by a dot, with a dividing line in the middle. The lower part bears the year "1875". (1875-1886) Shape: Rectangle

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