Lot Essay
Examples of bowls covered in rich ruby enamel on the exterior but plain on the interior, include one from the Metropolitan Museum of Art, New York, illustrated by S. Valenstein, A Handbook of Chinese Ceramics, New York, 1989, p. 252, no. 255. Compare also a pair of ruby-back bowls sold at Sotheby's Hong Kong, 2 May 2005, lot 684.