Comments for Jewelry Signature or Hallmark of O.S.?

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OS Jewelry Mark on Silver Plate
by: Anonymous

Hi Jennie

hard to say with this little amount of info and no image.


OS on Silver-plate could be that of -

ONTARIO SILVER Co. Silver-plate, Niagara Falls, NY, USA, & Ontario, Canada - ca 1883 - 1915



best wishes

Yvonne Hammouda-Eyre

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