CAO TINGDONG (1699-1785) Orchid and Rock Handscroll, ink on silk 27.5 x 266.5 cm. (10 7/8 x 104 7/8 in.) Inscribed and signed, with three seals of the artist Dated mid-summer, bingshen year (1776) Four collector’s seals Titleslip by Uzan Nagao (1864-1942), with one seal