Art Nouveau Style Coffee Creamer Sugar Teapot Set of 4 Silverplate. Signed: Knickerbocker Silver Co. Teapot: 9.5 H. Sugar Bowl: 7 H. Open Bowl: 5.5H. Creamer: 5.5 H. Teapot hinge needs rod to combine both pieces (see photo). Port Jervis NY. Taken over by Crescent Silverware Mfg. Monarch Silver Co was a trade name used by Knickerbocker Silver Co.