Property from Martyn Gregory, London, Lots 771-774. San Sing (Circa 1830). A Chinese official's boat; A watermelon seller. Pen, ink and watercolour, comprising a picture of a boat, preserved within folding sheet of paper inscribed 'a drawing by Sansing, and a moral sentence written in Chinese by him on board the junk and presented to John W. Cook', and also 'Sansing was an artist on board the Chinese junk, who painted the elaborate parts of the interior of that vessel'; and a painting of a watermelon seller.