Washburn A Mill Largest Flour Mill in the World

Front:
WASHBURN "A" MILL MINNEAPOLIS, MINN. (LARGEST FLOUR MILL IN THE WORLD) RIUM CB&Q IoISIS ME WASHBURN MILL ננוּ GOLD MEDAL FLOUR נ נ נ ונ גנג גגנו ELOUR LANS 303 13M 73 Z

Back:
187 V. O. Hammon Pub. Co., Minneapolis and Chicago VO HAMMON PUBLISHING O TRADE CHICAGO MARK STAMP HERE