In the absence of any gold markings, I presume the ornaments to be gold-tone metal, and the chain is brass, I believe.
The fob depicts two regal Native American figures, one with a torch. The enamel medallion states 'Portland 1912' and the lodge number '142' with Mt. Hood shown, the two 'ribbons' on either side of the medallion state 'Grand' and 'Reunion', with 'BPOE' on reverse of both. Approx. 9" long overall, the fob is 1 1/2" tall, 3/4" wide. Enamel medallion approx 1" by 3/8". The clasp for a watch works perfectly.
Back of medallion is embossed 'C.M. Robbins & Co., Attleboro, Mass.'
This belonged to my Great-Grandfather.
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