12K MCM Carl Art Pansy and Rhinestone Brooch/Pendant

12K gold filled MCM vintage Carl Art Enameled Pansy and Rhinestone Brooch, with pendant adaptation. Per Antique Jewelry University as reference, this Hallmark is from 1943-1950. Hallmarked 1/20 12K G.F. Also per reference he made Gold filled jewelry over sterling, although this brooch is not hallmarked for sterling...just 12K G.F. Non magnetic metal. Brooch is 2.25 inches long x 1.5 inches long. Beautiful enameled pansy, with purple and clear rhinestones. Thank you for your view.