Qianlong seal mark and of the periodWith deep rounded sides rising from a short foot to a gently flaring rim, the exterior painted with four ruyi-bordered roundels enclosing stylised characters reading Wanshou wujiang (Boundless long life), interspersed with lotus sprays supporting beribboned bajixiang, the rim with a classic scroll and the foot with a lappet band, the interior with a shou character medallion encircled by the bajixiang. 18.3cm (7 1/4in) diam.