Authentic original Edo Period antique c.1770, Japanese erotic art shunga woodblock print picture by Isoda Koryusai.  The woodblock print picture measures approximately 16.2 cm x 13 cm.  Good colors and impressions.  Good condition for its age with some wear and soiling, few tiny holes.  No backing.  Please refer to photos.   
 
A rare original Japanese erotic art woodblock print by one of the more revered shunga artists of the 1700s!