Yu Youren · 书法便笺之二 (一册十页)
Yu Youren, 书法便笺之二 (一册十页), 书法便笺 (calligraphy notes). Sold at auction in 2009. See Yu Youren’s auction records and prices →
Yu Youren, 书法便笺之二 (一册十页), 书法便笺 (calligraphy notes). Sold at auction in 2009. See Yu Youren’s auction records and prices →