Sizes 7/8" to 1.25". First for "Poco" has W&H paper in use 1896-1898. Tiny age stain on side edge but front is totally clean and glossy. Second, c. 1900, has rarely seen back paper from Henry Levin/Chicago/ Photo Novelties with front ad for "Climax" dry plates. Faded red. Third with Bastian paper c. 1907 reads "Your Friends Can Buy Anything You Can Give Them --Except Your Photograph". Last has Eastman Kodak logo issued for a company "Field Day" in 1919. Made by hometown Rochester button maker Bastian Bros. First two are VF, last two are NM. All scarce to rare.