FIVE UNDERGLAZE-BLUE AND GREEN-ENAMELLED 'DRAGON' SAUCER-DISHES , each with shallow rounded sides and slightly flaring rim, painted and enamelled with a five-clawed dragon chasing a flaming pearl amidst flame-scrolls, the reverse with two striding dragons and flaming pearls, including one with a Qianlong seal mark and four with Daoguang seal marks and of the period