Registered, Oct 16, 1900, U.S. Postal Station, Paris Exposition, France. Two strikes of boxed date stamp (Bomar P00-11) on reverse of cover to New York City, franked with 1877, 1f bronze green + 1890, 50c rose tied by U.S. Postal Station duplex postmark (P00-01), purple customs handstamp at lower left; 1fr with corner crease and backflap tear affecting one date stamp, F.-V.F., the Unique Example of the U.S. Postal Station Registered Date Stamp. Scott No. 84+101  Estimate $3,000 - 4,000. Postal records show that a total of 179 articles were registered at the exposition's U.S Postal Station. $0 (Image)