Authentic & original Meiji period c.1890, Japanese erotic art shunga woodblock print picture by the esteemed Meiji Period artist, Tomioka Eisen (1864-1905).  From his shunga series, Relic of Honor (c.1890).
 
Measures approximately 19.3 cm x 13 cm. 
Very good colors and impressions.  There is also the use of urushi-e (black lacquer) to exemplify the hairlines, thus adding lustre to her beautiful and distinctive sheen.  Fine burnishing used, as well. 
 
Condition is very good with faint wear, bit of dye marking, and four binder holes to the right of the picture.  No backing.  Please see and judge from photos.
 
A superb double-close-up shunga scene showing both the woman's expression at top as she's being penetrated, as well as the act itself inside her vagina.