Authentic Edo period original, c.1840, Japanese erotic art shunga woodblock print picture by Kuniyoshi Utagawa (1797-1861).  From his shunga series, Keichu ogarakuri.  Shunga picture measures approximately 22.3 cm x 27.5 cm.  Very good colors and impressions, as well as gauffrage (on the fan to the left).  Condition is good with some wear and soiling, most notably at bottom corners.  No backing.  Please see and judge from photos provided.
 
A fantastic Japanese original shunga woodblock print picture depicting an ecstatic couple being secretly watched by a female voyeur via a hole in the wall.