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.  Fair condition for its age with some wear and soiling, few small holes.  No backing.  Please refer to photos.   
 
A rare 1700s original Japanese erotic art woodblock print of a couple having intercourse; the female's kimono sporting a maple-leaf motif.