1901 Pan-American Exposition. 1¢ Pan-American tied by "Buffalo, N.Y., Jun 01" machine exposition cancel (date slug removed) on oversized multicolored illustrated Wagner Typewriter Co. exposition cover showing a wonderful lithographed View of Niagara Falls, addressed (by typewriter) to Aurora, Ill., Extremely Fine, a exceptionally choice example, considered to be one of the most spectacular Exposition covers ever produced. Scott No. 294  Estimate $750 - 1,000. $0 (Image)

1901 Pan-American Exposition. Lovely multicolor design on 1900 cover showing Buffalo atop Globe with Fair Grounds in the background franked with 1¢ Bureau Issue tied by Buffalo, N.Y. Expo Publicity cancels, Very Fine and attractive. Estimate  $75 - 100. $0 (Image)