Authentic Meiji period Japanese shunga erotic art woodblock print picture, c.1870 by a member of the Utagawa School.  Shunga picture measures 21.3 cm x 18 cm while closed, but it contains a secret scene, which when opened up entirely encompasses four pages of shunga artwork measuring 43 cm x 18 cm.  Very good colors and impressions.  Good condition with some light wear and soiling.  No backing.  Please refer to photos. 
 
Great Japanese shunga scene of young lovers having intercourse during o-hanami (cherry blossom viewing).