A White Jade 'Orchid' Thumbring Qing Dynasty, 19th / 20th Century

of cylindrical form, carved on the exterior with an orchid plant bearing a bloom and long leaves next to a seal mark reading wen zhen (plaything from the scholar's studio), the opposite side incised with a verse from Yang Zhen's poem Cai Lan Yin in semi-cursive script and dated to the yihai year, the flat-cut rim carved in low relief with a seal mark reading zhen wan (rare curiosities), the stone of an even celadon-white tone, wood stand