This is a Marcasite Pin / Brooch with a Photo Frame. It is 1 & 7/8" by 1 & 1/2". The rectangular opening measures 1 & 7/8" by 1/2". There is a bar on the back of the Pin to hold a picture. The back is marked " BRKS ", may be Birks located in Canada. Although there are a number of the Marcasite stones missing, it is not very easily noticed and you would have to look it with a magnifying loop.
Item ID: RL-1588
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