Antique Stereoscope Cards, 1800s Stereograph Photo Cards. Stereographs consist of two nearly identical photographs or photomechanical prints, paired to produce the illusion of a single three-dimensional image, usually when viewed through a stereoscope. Typically, the images are on card mounts, but they may take the form of daguerreotypes, glass negatives, or other processes. This lot includes Three - The original view of the moon, The view on the over and stage route, virginia dale, the US treasury, utah scenery,Ten - The Illinois Tourist Hinshaw, Joy and Baker Stereograph photo cards ; All cards range from different sizes but all approximately 7 x 4 inches All cards are in good condition with some wear from age;