STEREO PHOTO old original" WOMEN'S ROOM" hand colored, 9 x 18 cm, about 1875, the technique of coloring almost reached the invention of photography. As color photography did not exist at that time, the colors were applied to photos in black and white stereo careful detail work with a brush under a magnifying glass. As the art of painting was different from the" painters" of that time, no two identical pictures. Each frame is, therefore, unique and sometimes even a little piece of art and therein lies the appeal of collecting such photos.