Hammered Sterling Modernist Crescent Brooch

Offered is a stunning and mesmerizing hammered sterling modernist crescent brooch.  With an abstract version of the classic design, the surface has an elegant shimmer. It measures approximately 1 5/8″ x  1 1/4″ as measured across the widest points of the undulating form.  The pin is 3/8″ high.  It has a presently unidentified hallmark on the reverse side. This was tested to confirm it is indeed silver.  The jewelry has no condition issues.