A Celadon and Russet Jade 'Mountain' Brushrest, Early 20th Century二十世紀初期 青玉帶皮臥馬筆架山Carved in the form of a four-peak mountain range with a recumbent horse resting at the foot; the stone is of celadon tone with patches of russet skin, length 3.9 in — 10 cmEstimate: $300—500