1904 Robert Livington USA Scott #323 Green

The 1904 Robert Livingston USA Scott #323 Green Stamp is a commemorative stamp that was issued by the United States Postal Service to celebrate the centennial anniversary of the Louisiana Purchase. It features a portrait of Robert R. Livingston, the American statesman who negotiated the purchase of the Louisiana Territory from France in 1803.

The stamp has a green background and measures 2.75 x 1.5 inches. It has a perforation gauge of 12 and was printed using the flat plate printing process. The design of the stamp includes a border of oak leaves and acorns, which symbolizes strength and longevity, and the words "Louisiana Purchase Exposition" at the top.

The face value of the stamp was two cents, which was the standard domestic letter rate at the time. It was released on April 30, 1904, at the Louisiana Purchase Exposition, also known as the St. Louis World's Fair. The stamp was available for purchase throughout the United States and was widely used for domestic mail during its time in circulation.

Today, the 1904 Robert Livingston USA Scott #323 Green Stamp is a popular collector's item among stamp enthusiasts and historians. Its design and historical significance make it a valuable piece of American philatelic history.