Authentic Meiji period Japanese shunga erotic art woodblock print picture, c.1870 by a member of the Utagawa School.  Shunga picture measures 21.4 cm x 18 cm.  Very good colors and impressions.  Good condition with some light wear and soiling.  No backing.  Please refer to photos. 
 
Very rare Japanese shunga erotic art scene of a forceful, giant octopus having his way with an ama (abelone diving girl).  Another couple looks on in the background.