Schreiber and Hiller

Schreiber & Hiller was founded in 1920 by Rudolf Friedrich Schreiber (1874–1944) and August Hiller (1872–1939) at Pforzheim, Germany.

They patented intricate techniques of channel setting rhinestones and created sparkling costume jewellery under various trade names, including Esha Randell, DoSo, Simex, or identifiable by the stamp DRGM 1138525.