A 'Guanyao' Leaf-Shaped Brush Washer, Yuan Dynasty (1271-1368 AD). Photo Stockholm Auktionsverk

the pale greyish-brown glaze covered throughout with a black-stained crackle, divided into seven sections, together with a wooden stand, length 16 cm; the top of the leaf with a repair. Estimate SEK 75 000-80 000 ( 9 100-9 700)

Thermoluminescence Analysis Report from Laboratory Ralf Kotalla, 17 April 2012, (700 years +/- 20%)

PROVENANCE: Swedish private Collection

LITERATURE: Compare with; Pierson, Stacey, Illustrated catalogue of Ru, Guan, Jun, Guangdong and Yixing wares in the Percival David Foundation of Chinese Art, London, University of London, Percival David Foundation of Chinese Art, School of Oriental and African Studies, 1999

Stockholm Auktionsverk. Fine Art & Antiques.  4-6 December 2012. http://auktionsverket.com