Two yingqing bowls with underglaze decoration, Song-Yuan dynasty. Photo Bonhams.

The first of mallow shape with six lobes to the flared rim, the interior well carved and combed with a dissolved leaf spray pattern beneath a pale blue green glaze covering all surfaces except the foot pad and very shallow recessed base (glaze degraded, stained); the second molded in imitation of Ding ware with an unglazed rim, the shallow curving well impressed with a leiwen border around phoenix and floral motifs, the pale blue-green glaze covering the well, the exterior walls and low foot with recessed base (glaze degraded, stained). 7 1/8in (18cm) diameters. Estimate US$ 2,000 - 3,000 (€1,500 - 2,200). Unsold

Provenance: Oskar Gerson Collection, acquired during the 1920's-1930's, Germany, and thence by descent

Bonhams. ASIAN DECORATIVE ARTS. San Francisco. 18 Dec 2013 -www.bonhams.com