Here is a great stereoscope used to view stereoscopic 3D cards that were popular at the turn of the century. This one was manufactured by Monarch a listed patent date of April 12, 1904. This stereoscope is in perfect working condition and operates great, with minor signs of wear from normal use and handling. The top of this stereoscope features an intricate etched design, including the monarch logo, featuring a buck or moose.
The photographed stereo card is not included with this item. However, many stereo cards are available for purchase from Memory Hole Vintage.