473262 \'Oh That Corset\' \'After the Opera\', c.1900 (sepia photo) (see also 473263) by Rau, William Herman (1855-1920); Private Collection; (add.info.: Humorous depiction of a young woman \'complaining\' that her corset is too difficult to take off; stereoscopic cards were popular from c.1850 until the early 20th century and consisted of two photographs. mounted on board and were viewed through a stereoscope to give a 3D image;); Prismatic Pictures ; American, out of copyright.