A Chinese powder-blue circular seal box and cover, Qing Dynasty, with even mottled blue glaze, with Kangxi six-character mark in underglaze blue mark, 6cm diameterProvenance: ‘Mr. Ko’ acquired this in Tsinan in 1928 and then by direct family descent. 'Mr Ko' worked for the Chinese Postal Service in China from 1904-1947. 清十九世纪（可能） 康熙款洒蓝釉印盒（带盖）拍品来源：中国邮政公司高级官员柯先生（生于意大利）于 1904-1947年之间在中国购得 with minor firing blemishes but no cracks, chips or repair