A Chinese ink painting probably early 18th century

A Chinese ink painting probably early 18th century, depicting three figures in a small boat, in a mountainous river landscape with pine and other trees clinging to the rocks, a column of calligraphy above two red seal marks, extensive damage, framed and glazed, the reverse with paper labels inscribed 'Gemalt Von Shang Kuan Chow oder Chu Chuong', 109cm x 52cm. Provenance: from an English private collection.