EACO Letterhead. Material: paper. Size: 8 1/2" W. x 10 1/2" L. Description: white letterhead stamped across the top: "Everett, Aughenbaugh & Co., Waseca, Minnesota"; to the left of the company name is the logo: "Guaranteed Always All Right, E-A-CO Flour, 98 62/100% Digestible" encircled; to the right of the company name: "Sunburst Flour" encircled with a sunburst.