5 chinesische Porzellanschalen Lot n° 5

5 Chinese porcelain bowls, slightly deepened form with smooth rim, inside and outside with ¨sang de boeuf¨ glaze, at the bottom in double circle 2x 6-character mark and 1x seal mark of Yongzheng period (1723-1735), and 2x 6-character mark of Kangxi period (1662-1722), d 19cm, 1x bumped