A Chinese small circular porcelain wucai seal-box and domed cover decorated with dragons chasing flaming pearls -- 1¼in.diam., underglaze blue Wanli mark; a circular porcelain powder-blue seal-box and cover -- 1¼in.diam., underglaze blue Kangxi mark; and a similar pale blue porcelain seal-box and cover -- 1½in.diam., plush box.