Nemo was a mark of the Brier Manufacturing Company, a costume jewelry company located in Providence, Rhode Island, USA. The Nemo mark was first used in January, 1913; the marks L/N and L/N25 "Nemo Gold Seal Quality" also belonged to this company (L/N perhaps standing for "Little Nemo"). This company produced brooches, necklaces, bracelets, dress clips, earrings, tiaras, hair clips, etc., often featuring colorful rhinestones in gold-plated pot metal.