(Agricultural) Plow & Mower Advertising Covers. Balance of 49 illustrated ad covers, 1860-1890's; an array of plows with Bucher & Gibbs Plow Co.- Canton, O. (3 different), mowers with 1860's Dodge, Stevenson & Co.Ohio Mower - Auburn, N.Y. and The Union Mower - Philadelphia, Pa., harvesters with Saint Paul Harvester Works - St. Paul, Minn., etc.; some flaws, Very Fine overall. Estimate  $1,000 - 1,500. $0 (Image)