GUARANTEED TO BE GENUINE ANTIQUE AND OF THE PERIOD STATED. By the Kornilov brothers factory in St.Petersburg circa 1885 A similar Kornilov porcelain kovsh is illustrated in DINING WITH THE CZARS, page 151. This early Kornilov kovsh is decorated with a molded double headed eagle and stylized Russian ornaments. The shape is of 16th -17th centuries Russian Tsars' presentation silver kovshes. Length - 19,3 cm 7 1/2 in. Blue mark with Imperial warrant of Kornilov brothers porcelain factory in St. The item "Antique Russian Imperial Era Porcelain Kovsh Bowl" is in sale since Friday, February 14, 2014. This item is in the category "Antiques\Decorative Arts\Ceramics & Porcelain\Bowls".com" and is located in Chicago, Illinois. This item can be shipped worldwide.