United States, Advertising Covers, 1880's. 50+ items, mostly illustrated advertising, all franked with 2¢ brown Banknotes #210, broad array of topics, including sewing machines, state fair, magazines, publishers, industrial enterprises, schools & colleges, hardware, coffee, etc; condition somewhat mixed but many F-VF or better, couple fronts, please examine. Estimate  $300 - 400. $0