Authentic Edo period original, c.1836, Japanese erotic art shunga woodblock print picture by Keisai EISEN (1790-1848).  From the shunga series, Konote gashiwa (Two Aspects of Love/ Child’s-hand Oak).  Shunga picture measures 22.5 cm x 28.2 cm.  Very good colors and impressions, as well as deluxe printing techniques used such as mica (metallic pigments) and gauffrage.  Condition is good with some wear & soiling.  No backing.  Please see and judge from photos.
 
“In a darkened storage room a couple have a secret intimate encounter.  Their faces are partially illuminated as another girl leaves the room.” excerpt by Timon Screech from P.431, Shunga, Sex and Pleasure in Japanese Art.