Wu Changshuo · Wu Yun's private ross quartz stone seal carved by Wu Changshuo, 1880
Wu Changshuo, Wu Yun's private ross quartz stone seal carved by Wu Changshuo, 1880, ross quartz stone, 1.7 × 1.7 × 3 cm. Sold at auction in 2012. See Wu Changshuo’s auction records and prices →