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 15.6 cm.  Very good colors and impressions, as well as gold mica (metallic pigments) for the kanji text on the left of the picture next to the mirror.  Condition is good with some wear and soiling, most notably at bottom right corner.  No backing.  Please see and judge from photos provided.
 
A very rare Japanese original shunga woodblock print picture of an elaborate mirror showing a threesome.  Moreover, a male's hand can be seen fingering the ass of a female lover.