Heavily cast,the exterior with a cloisonne enamel turquoise-ground frieze decorated with four stylised medallions respectively enclosing the characters wanshou wujiang ('Endless longevity without limit'),the roundels alternating with large lotus blooms,all between yellowish-green champleve bands of kui dragons with angular scroll bodies and upright petal lappets,the interior,foot and base richly gilded,the base incised with a four-character seal mark.