1876, 1904, 1909, 1915 Exposition Collateral and Covers.
1876 Centennial Exposition collateral incl. Two Pints Mineral Water Tax two part perforated "stamp", set of five admission tickets, 1904 St. Louis World's Fair covers incl. four illustrated Cupples postcards to Rome franked with 1c No. 323, No. 370 on cover with 1909 World's Fair Seattle slogan machine cancel, No. 402 with "Model Post Office Panama Pacific International Exhibition" cancel (Bomar SF15-03), couple others, Very Fine group
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