Authentic Edo period original, Bunsei era 8th year (1825), Japanese erotic art, shunga woodblock print picture by Kunisada Utagawa (1786-1865). 
From the classic shunga series, Hyakki Yakou. 
 
Shunga picture measures 27.5 cm x 22 cm.  Very good colors and impressions.  Condition is very good with some mild wear, slight wormage, few pinholes.  No backing.  Please see and judge from photos. 
 
A different style and color variant from this other version, which was very common practice amongst Edo Period shunga artists.