A celadon glazed porcelain floriform cup. Qianlong mark and period. Photo Bonhams

Elegantly potted with six lobes to the rim that swirl diagonally down the deep walls to a short, six-lobed foot, the pale blue-green glaze covering all surfaces except the iron-coated foot pad and the recessed base displaying the six-character mark in underglaze blue seal script. 3 1/2in (9cm)
Estimate: US$10,000 - 15,000. Unsold

Provenance: remains of paper label printed H. R. H. Norton and the numeral 50 in ink

Bonhams. Fine Asian Works of Art, 20 Dec 2011, California, San Francisco www.bonhams.com