FOUR BLUE AND WHITE 'PHOENIX' DISHES QING DYNASTY, JIAQING, DAOGUANG, TONGZHI MARKS AND PERIOD

each decorated with a pair of confronting phoenix amidst cloud scrolls, one base with a Jiaqing seal mark, two with Daoguang seal marks, one with a Tongzhi mark, all marks with six characters and in underglaze blue (4)