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Riga Assay Master's Mark - Ivan Spiridonov - initials "I-S" - 1873-1889

Hallmarks-Assay Masters


Riga Assay Master's Mark - Ivan Spiridonov - initials "I-S" - 1873-1889
  • Letter: I-S
  • Year: 1873-1889
  • Shape: Rectangle
  • Description: Ivan Spiridonov, assay master. The master's mark is in a shield, the upper shield depicts the initials "I" and "S" with a dot between the letters, the lower shield indicates the year "1883". (1873-1889) Shape: Rectangle

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