First is 5/8” picturing silver color accented tin can with red slogan “Can The Cant.” Next is 13/16” “Eleven Million Americans Unemployed/Buy American Products Only.” Third depicts female warrior of the Greco-Roman era with tiny 1933 copyright. Text below reads “Look For The Label/Made In U.S.A.” while rim has tiny text “Buy American League Inc. National Council.” Last is 7/8” with spread-winged eagle atop shield reading “Buy American.” Previous 3 are without backpapers likely as issued while this has backpaper by St. Louis Button Co. All 4 are Exc. and display Mint. Hake Book Collectible Pin-Back Buttons photo example Social Causes – Buy American section #’s 14-15, 17-18. Comes with Hake’s COA.