Authentic Edo period original, c.1842, Japanese erotic art deluxe shunga woodblock print by Kunisada Utagawa (1786-1865).  From the shunga series, Shiki no sugatami  (Viewing Forms in the Four Seasons).  Shunga picture measures 22.2 cm x 27.7 cm.  Excellent colors and impressions!  This picture is rich in colors, urushi-e (black lacquer), and mica (metallic pigments).  Condition is good with some light wear, soiling, and small tearing/hole at top middle of the picture.  No backing.  Please see and judge from photos.
 
One of the more sought after deluxe shunga woodblock print pictures from this series as a couple engage in intercourse on a spring night under the ume blossoms (plum tree).