Each of these is about .5" or a bit larger. All but one are in the form of lapel studs with threaded post or clasp reverses. These begin with a five year award with text reading "The Alaska Railroad/United States Department Of The Interior/Mt. McKinley Park Route." The next four are for twenty-five years. The first has needle post and clutch reverse and this reads "Chicago & Western Indiana." Next reads "Illinois Central Quarter Century Club." Next reads "Tri-City Railway Company." The last reads "Rock Island 25 Year Club." The next three are for forty years and these start with one showing a padlock design and clasped hands with letters above and below "N.P.T.A./A.F.L.-C.I.O." Second with white enamel has number "40" at center with lettering on the rim "C.M.St.P. & P.R.R./V.E.A." Last reads "Burlington Route/Forty Years Service." Essentially Mint as made.