Stoneware ceramics from the Harvard Art Museums, sold to benefit the Asian Acquisition Fund

A Yaozhou celadon glazed stoneware bowl. Northern Song Period. Photo Bonhams

The walls of its deep curving well divided by six radiating lines and the exterior incised with a single band below the rim, the olive green glaze applied to all surfaces except the foot pad exhibiting a dense web of craze lines and burnt to a golden brown where thinly applied around the foot area. 7 7/8in (20cm) diameter - Estimate: US$4,000 - 6,000

Property from the Harvard Art Museums, sold to benefit the Asian Acquisition Fund 

A Jianyao stoneware teabowl. Song Dynasty. Photo Bonhams

Formed with a deep well and an indentation on the exterior wall immediately below the lip, the glaze covering the well and the exterior walls of 'hare's fur' type with streaks of blue-black and russet brown that stops unevenly in raised welts above the foot to expose the dark brown fabric. 4 1.2in (11.5cm) diameter - Estimate: US$2,500 - 4,000

Property from the Harvard Art Museums, sold to benefit the Asian Acquisition Fund 

A small 'oil-spot' glazed stoneware teabowl. Jin Dynasty. Photo Bonhams

Potted with an indented rim on the exterior surface, the predominantly black colored glaze with tiny silvery markings ('oil spots') covering the interior and most of the exterior walls, the lower body and foot area finished with a black slip, the worn areas along the edge of the foot revealing the underlying gray fabric. 3 1/4in (8.3cm) diameter - Estimate: US$2,000 - 3,000

Property from the Harvard Art Museums, sold to benefit the Asian Acquisition Fund

A small celadon glazed stoneware jar. 3rd-4th Century. Photo Bonhams

Of compressed ovoid form with a short neck, opposing lug handles and animal head masks with mock rings applied to the shoulder over a stamped design of a cross-hatched band set between rows of flower heads, the olive green glaze of Yue type covering the interior and most of the exterior walls, the concave base left unglazed and showing remains of kiln spurs surrounded by cinnamon burn. 5 1/2in (14cm) diameter - Estimate: US$1,500 - 2,000

Property from the Harvard Art Museums, sold to benefit the Asian Acquisition Fund

Bonhams. Fine Asian Art, 21 Jun 2011, San Francisco www.bonhams.com