Smallest are 7/8" and largest are 1-3/8". Group begins with rare button from January 1908 with color depiction of freight car and passenger car beneath text "Int'l Ass'n Of Car Workers." Numerous but light scratches show only in reflected light. The next four items are each very early pieces with white metal lapel stud reverses. The second is missing half the stud but all four display Mint. These are dated between 1929 & 1932. In the next row earliest is from March 1910 and this has noticeable age. The following two are 1910 & 1912 followed by two larger from 1913 & 1914. The 1914 is a little flattened with some oxidation on the reverse. In row three the first four are celluloid and from 1914 & 1915. Last in that row is a litho from 1915 which has small dents and an age mark. In row four the dates are 1915, 1917, 1922, 1938 and 1929 which is a litho. Rows five and six and the final single button are all litho spanning 1929 with several each from 1930s & 1940s plus the final button picturing Santa Claus from 1954. This has small 1/8" oxidation mark below his beard. Vast majority are Exc. with exceptions noted.