Authentic Edo period original, c.1840, Japanese erotic art shunga surimono (privately commissioned, high-quality print) woodblock print picture by an artist of the UTAGAWA School.  Shunga picture measures 9.3 cm x 12.8 cm.  Very good colors and impressions, as well as gold mica (metallic pigments) on the man's robes.  Very good condition with some light wear and soiling.  No backing.  Please see and judge from photos.
 
A fantastic original shunga surimono from the Edo Period featuring two lovers passionately enjoying coitus.