Comments for Diamond Shape Hallmark with C.

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Possibly John Cook
by: Yvonne

Hi Renee
the trademark for John Cook is two diamonds side by side with letter J in first diamond and letter C in second - there is a small circle between the diamonds. John Cook worked in New York ca.
1868 - 1880s.


Has your mark the circle? Can you upload a photo of the mark in a follow-up submission?

thanks for writing in...
Yvonne Hammouda-Eyre
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