Smaller are 1.75” and larger 3.5”. Group begins with a pair for America’s first man in orbit, John Glenn. Followed by 1962 button for Scott Carpenter who followed Glenn into space. Next from 1963 is Gordon Cooper. Next from 1965 pictures McDivitt and White. Last is for “Man’s First Flight Around The Moon.” This had small bit of dirt at right side now removed and all are NM displaying Mint although the large Glenn button has some tiny air marks as made.