A “WOW!” piece, a huge (4 3/8″ x 2 3/4″) old silver and turquoise brooch or pin in a bowtie form. I’m calling this a manta pin as it could have served as that but also, it is a great velvet blouse piece, right under the collar. Well made with hand sawn bezels and hand twisted wire. The clasp is either originally simple or a simple repair. The pin hinge is just a soldered horseshoe loop with the pin wrapped around. The pin loop is a little flat so it could have been commercial rollar clasp pieces.
Signed with what looks like a conjoined “JM,” Navajo in make and style. This might be by James Martin but I haven’t found work dates and this piece feels like 1950 or so.