In this design Kwanyu, mounted at the head of his troops, is interviewing Soso (Cao Cao), the celebrated Chinese general and tactician of the Han dynasty.
For another impression in the Museum of Fine Arts, Boston, accession number 11.38168a-c, go to:
http://www.mfa.org/collections/object/guan-yu-spares-cao-cao-for-the-sake-of-old-loyalties-kanu-ga-gishin-s%C3%B4s%C3%B4-o-yurusu-zu-from-the-series-popular-romance-of-the-three-kingdoms-ts%C3%BBzoku-sangokushi-no-uchi-463497
For another impression in the collection of the British Museum, Museum number 2008,3037.20005, go to:
http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=3278875&partId=1