Authentic original Edo Period antique c.1770, Japanese erotic art shunga woodblock print picture by Isoda Koryusai.  From his shunga series, Inyo koi no iroha.  The woodblock print picture measures approximately 16.2 cm x 13 cm.  Good colors and impressions.  Decent+ condition for its age with some wear and soiling, worn bottom right corner and right edge.  No backing.  Please refer to photos.   
 
A rare 1700s original erotic art shunga woodblock print of a Japanese beauty riding on top of her male partner.  
 
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