Palmer Co-Operative Dairy Association Envelope. Material: paper. Description: paper envelope; front: addressed to Palmer Creamery Co, Palmer, Minn"; return address in upper left corner: "R.L. Larimore, with Geo. C. Callahan & Co., Butter, Eggs and Poultry, Commission, 217 South Water Street, Chicago"; postmark on front: "Chicago, Aug 14, 6-9pm, 1902." Back of envelope postmarked: "Waseca, Minn., Aug 15, 10am, 1902, Rec'd."