A fine blue and white bottle vase seal mark and period of Jiaqing

the neck painted on each side with a stylised lotus flower amidst foliate scroll, below a band of ruyi motifs at the rim and above keyfret and ruyi bands, the central swollen body with two pairs of stylised phoenix set in confrontation, seperated by a lotus flower below a stylised bat, depicted with coiled feathery wings and body, their jaws clenched on stems of undulating lotus, the foot with a band of lappets

Sotheby's Hong Kong, 27th April 2003, lot 214.