Authentic Edo period original, Bunsei era 8th year (1825), Japanese shunga erotic art woodblock print by Kunisada Utagawa (1786-1865).  From the classic shunga series, Hyakki Yakou.  Shunga picture measures 15.5 cm x 22 cm.  Very good colors and impressions.  Condition is good with some wear and soiling.  No backing.  Please see and judge from photos. 
 
Here a Japanese beauty readies some ceremonial/religious rites.