Original, 1st edition Japanese erotic art shunga woodblock print picture from the Edo Period, c.1810.
 
The artist is by Kitagawa Utamaro (1754–1806) or Katsushika Hokusai (1760-1849).  The paper and artistic-style clearly show it's from the c.1800 -1810 era.  Nice quality shunga artwork! 
 
Description: 100% genuine & authentic Japanese woodblock print shunga picture from c.1810.  Good colors and excellent impressions!  Condition is decent with some wear & soiling, worn corners, bit of wormage.  Please see and judge from photos.
 
Size of the shunga woodblock print picture:  29.2 cm x 22.5 cm.
 
A great Edo Period shunga woodblock print picture of an aroused female voyeur spying on a couple in the midst of intercourse in the adjacent room.