Secretary's Office/Buffalo International Fair/Buffalo, N.Y. Two covers with similar yet different illustrated designs showing the Main Expo. Building, one in black used in 1889 franked with 2¢ Bank Note (small defect) & one in orange undated & franked with 1¢ Bank Note, cover with black design with matching illustrated letterhead, Very Fine, a very pretty pair. Estimate  $200 - 300. $0 (Image)

Secretary's Office/Buffalo International Fair/Buffalo, N.Y. Official corner card on cover with all-over illustration showing the Main Fair Building in orange, franked with 2¢ Bank Note tied by Buffalo, N.Y. duplex cancel, reduced at right, also included is 1892 Expo. ad cover with all over design in red, franked with 1890 2¢ tied by Buffalo machine cancel, reduced at right affecting stamp, Very Fine, no advertising covers are recorded by Bomar. Estimate  $200 - 300. $0 (Image)

Secretary's Office/Buffalo International Fair/Buffalo, N.Y. Printed corner card in orange on 1889 cover with stunning matching all-over design showing the Main Exposition Building, franked with 2¢ green Bank Note tied by "Buffalo, N.Y." duplex cancel, included is original enclosure with matching black printed letterhead "Buffalo International Fair and Tobacco Exposition", sent to Bismark, Dakota Chamber of Commerce inviting them to the Fair as it will encourage investment and emigration to the State, flap missing, Very Fine and attractive, no advertising cover are recorded in Bomar. Estimate  $200 - 300. $0 (Image)