Made by Tiffany & Co. in New York, ca 1924. Each: tapering and faceted shaft mounted to raised and banded circular foot. Shaft top inset and surmounted by straight and faceted socket. Detachable bobeche of which one is lacking.  A stylish foursome in the geometric style. Hallmarks include pattern no. 20423 (first produced in 1924) and director’s letter m (1907-47)as shown . Very good condition.