Gorgeous 27-piece porcelain Art Nouveau coffee set, Imperator by Jacob Zeidler & Co and Rosenthal from Selb. In very good, used condition. No damage. With some wear as a result of use on the gold-plated rims of some items. The set consists of 12 cups and saucers, a sugar bowl with lid, creamer, and a round dish. The saucers feature a JZ mark in relief and sugar bowl and creamer have a printed mark in dark green with an anchor, JZ & Co, and the name Imperator. The round dish is marked Rosenthal. In 1917, Philipp Rosenthal acquired the Jacob Zeidler & Co company.