A cobalt glazed deep dish, Daoguang six-character mark and of the period. Estimate US$1,500 - 2,500 (€1,300 - 2,200). Photo: Bonhams.

Its wide curving well and exterior walls covered with a uniform dark blue wash that thins along the rim to expose the white body beneath a colorless glaze covering all surfaces except the foot pad and of faint greenish tinge across the recessed base centered with the mark in underglaze blue seal script. 6 3/8in (16.2cm) diameter

Bonhams. FINE CHINESE WORKS OF ART AND PAINTINGS, 23 Jun 2015 10:00 PDT - SAN FRANCISCO