Kornilov (Kornilow) Brothers St. Petersburg Russia. Porcelain tea service consisting of one tray teapot creamer sugar bowl two teacups and two saucers all with gilded geometric decoration in red and light blue. Ca. 1914-1917. All marked under the base.Height ranges from 1/2 in to 5 1/4 in; width/diameter ranges from 3 in to 9 in.