This Trifari poodle is rhodium plated base metal with rhinestones and enameling.It is circa 1936-1937. Was originally sold at Hammacher Schemmer in New York for $5.00. Designer was Alfred Philippe. It is 1 1/2" square .
American Costume Jewelry, Brunialti & Brunialti v2 p. 71 add from hammacher Schlemmer as advertised in Mademoiselle, December of 1937.