Fine 18th Century Chinese Cobalt Porcelain Vase the rich blue glaze with a clean white line at the mouth and ending before the unglazed foot rim in a clean line; the inside of vase and bottom in clear white glaze. Good condition, a few small flakes or burst bubbles at the mouth and a tiny round damage to the blue glaze at the widest area. Height 16 1/2 inches (42 cm.).