Comments for Are there particular dates when the hallmark K18 was used?

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how neat
by: tam

i really like your cameo.. :) pretty neat!

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US Hallmarking
by: Anonymous

Hi D thanks for writing in about the date of your cameo brooch pendant combination.

In the history of US hallmarking, you will find 1906 to be a key date. Many pieces before 1906 are not marked. In 1906 karat marking in the US becomes compulsory.

best wishes,
Yvonne Hammouda-Eyre
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