I never found the time to research this maker after looking in a few books and finding nothing online--but this jewelry does turn up frequently. It is plique-a-jour enamel (not resin). It looks like a 1930s piece based strictly on the clumsy locking clasp. Anyway, it measures 1 & 3/4 by 1 inches and is in very fine condition. The gilt finish is almost gone (despite the back picture). It has a faux chrysoprase glass jewel.
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