Authentic Edo period original, c.1827, Japanese shunga erotic art woodblock print picture by Kuniyoshi Utagawa (1797-1861).  From his series, Hiyaku mon futari furisode.  Shunga picture measures approximately 25 cm x 22 cm.  Very good colors and impressions.  Condition is decent+ with some wear and soiling, pinholes, wormage.  No backing. 
 
A great shunga woodblock print picture of a couple engaged in intercourse, seemingly unaware of the pervert spying on them from the opened sliding window.