7/8", first we've seen. Features a red star with hammer and sickle at center. Text is "Workers A.C." which may stand for Athletic Club. Reverse has red on cream backpaper with text "Greenwood Atkinson Armstrong Co." surrounding a circular company logo accented with what seems to be a head of an eagle at the top while below is a street address on Woodward Avenue in Detroit, Michigan. Next is a 1" litho oval inscribed "Mobilize For Peace Chicago Aug. 31 Sept. 1-2." Last is 1" celluloid showing a working man shunning the clouds of "War" while rim slogan reads "The Yanks Are Not Coming Maritime Federation D.C. No. 2." Curl reads "Brunt Press SF." All are Exc. and display Mint.