Antique E.S. Germany porcelain celery dish. c.1902-1938. Beautiful porcelain celery dish with green backstamp: Prov Sace E.S. Germany. The E.S. stands for Erdmann Schlegelmilch, Suhl, Thuringia, Germany Porcelain. This dish is 1.75 tall; 11.5 long x 5.5 wide. There is one tiny chip on bottom which does not show on display side.