Unique. Stoneware, light gray shards. Ovoid, small, recessed opening. White-gray, olive-colored speckled glaze, over which a celadon green and light gray mottled glaze. Brush signature in reserved glaze field at the bottom in dark brown "Kerstan". H. 15.5 cm. An unique egg-shaped German studio pottery glazed stoneware vase by Horst Kerstan. Signed. Kandern. Horst Kerstan. 1973.