Authentic Edo period original, c.1838, Japanese erotic art shunga woodblock print picture by Kuniyoshi Utagawa (1797-1861).  From his shunga series, Edo nishiki-e azuma bunko (Edo Brocades, the Eastern Library).  Shunga picture measures approximately 24.4 cm x 30 cm.  Excellent colors and impressions, as well as bokashi shading.  Condition is excellent with only minimal wear!  No backing.  Please see and judge from photos provided.
 
A Japanese original shunga woodblock print picture of an erect male groping at a woman holding a sake flask.