Postal Advertising Covers, balance of 12 ad covers mostly illustrated, 1880-90's; variety of products and companies including Weaver Mailing Envelope & Box Company - Philadelphia, Pa. showing Mailman (2 similar in colors), U.S. official postal guides with Geo. Stacker - Yellow Creek, Tenn. showing Post Office Seal, other designs including Mailbox and U.S. Mail Wagon, etc.; some flaws, Very Fine overall. Estimate  $300 - 400. $0 (Image)