Exposition Balance. A lovely lot of approximately 155 covers, cards, tickets & souvenir items from various United States expositions, about 2/3 of the material is from the 1905 Lewis & Clark Centennial, a number of better items are included from the 1878 Paris Expo. with cover showing blue boxed handstamp of the Yale Lock Co., 1893 Columbian Expo. including a mint "Puck" card, a specially prepared mint cover Great Britain OHMS with blue embossed indicia for the "Royal Commission Chicago Exhibition", 1897 Universal Postal Congress flag cancel tying 1¢ Bureau issue, 1900 Paris Expo. includes one card & one cover with U.S. Postal station flag tying cover with "United States Pavilion/Paris Exposition" corner card, 1904 St. Louis with registered cover with Louisiana Purchase 1¢-5¢ with Exposition Station registry handstamp, mixed condition, worth inspection. Estimate  $750 - 1,000. $0 (Image)