Qing dynasty bulb bowls of this form are based on Song prototypes, such as the brushwashers in the National Palace Museum, Taipei, included in the Exhibition of Sung Dynasty Kuan Ware, 1989, nos. 135-143.

Compare to a Ge-type tripod vessel of this form, also with a Qianlong seal mark from the Robert Chang collection, sold at Christie's Hong Kong, 2 November 1999, lot 517.