M.S. Benedict Mfg. Co. Quadruple Plate Teapot is a Victorian-era American piece made by the M.S. Benedict Manufacturing Company of Syracuse, New York

Measures approx 7 3/4"  

Quadruple plate was popular in the Victorian era, particularly from the 1870s to the 1890s.  (There is 4 times the silver that is in regular silverplate).