Lot 138. Two openwork copper handwarmers, Qing dynasty, 18th century. Larger: 5 in. (12.8 cm) wide. Estimate HKD 30,000 - HKD 50,000. Price realised HKD 412,500. © Christie's Images Ltd 2019. 

The underside of one of the handwarmers is incised with a seal mark, Zhang Mingqi zhi, ‘Made by Zhang Mingqi’ and the other with a two-character mark reading Fengjiang. 

Property from the Quek Kiok Lee Collection.  

Christie's. The Pavilion Sale - Chinese Ceramics and Works of Art Including the Quek Kiok Lee Collection, Hong Kong, 9 October 2019