A pair of small green glass bowls. Republic period. Photo: Courtesy of Bonhams

Each thinly molded with a flared rim of eight sides and conforming facets to the walls of the well, resolving into a circular foot with a slightly recessed base scratched in capital letters 'China,' the opaque matrix of pale leaf green hue (one bowl chipped). 5 1/8in (13cm) high. Estimate: US$600 - 800 - Unsold

Bonhams. Asian Decorative Arts, 13 Mar 2012, California, San Francisco www.bonhams.com