Luscious REGENCY Unsigned Pie Shaped Stonework and Pink Rhinestone Brooch Pin. Luxurious REGENCY brooch in brilliant faux ruby and delicious pinks! Beautiful demilune pie shaped unusual stonework! Built up dimensional construction. Pinback is original and functions perfectly. Pin is approximately 2 inches square. Unsigned but guaranteed Regency. The plaque placement was not possible with this design as its oval shaped and would have been soldered to a closed back stone cup, but in this design, the oval shaped stone cup is OPEN back, not able to be marked their standard method. Excellent vintage condition.