An “Epreuve Movement” " (proof of movement) stereoview is a 19th-century French stereoscopic photograph series that captured sequences of action on a single card using two lenses, creating a primitive form of 3D animation or motion study, often featuring figures or objects in motion. In this case, the image is of a man appears to be shining his boots. He has one leg up on a chair as he holds the boot. The other boot is on the ground. In one image his hand is near the top of the boot and the other image the hand is at the bottom. Signed Breveté SGDG (Sans Garantie Du Gouvernement). This was a French patent designation used until 1968, meaning "Patented without Government Guarantee," signifying the government didn't vouch for the invention's utility or quality, and items marked with it are common on vintage French collectibles like corkscrews, pocket watches, or household items, indicating their age and French origin. Standard size stereoview. Clean See images.