1926 US Sesquicentennial Exposition So-Called Dollar HK-452
This 35 mm official medal was designed by Albin Polasek. It was struck in the Mint Exhibit on the exposition grounds. They were made in copper, bronze, brass or nickel.
1926 U.S. SESQUICENTENNIAL EXPOSITION
PHILADELPHIA, PACommemorating the 150th anniversary of Declaration of Independence.
Held at the League Island Park and adjacent area, about 1,000 acres in South Philadelphia.
The Swedish-American Memorial House remains as a museum.
Municipal Stadium, built for exposition, later renamed JFK stadium, was demolished in 1992.
The exposition opened May 31 until Nov. 30, 1926. There was also "post-exhibition" period, Dec. 1-31, 1926.
Attendance was disappointing at 6,500,000 of which 4,600,000 paid. (25,000,000 were expected!).
President Coolidge extended broad foreign invitation for the purpose of exhibiting the progress of United States and other nations in art, science and industry, trade and commerce etc.
Sixteen states and 43 foreign countries were represented, 7 of each erecting their own buildings.
Federal displays included Mint Exhibit.
Five exhibition palaces and 72 other major buildings which were mostly multi-colored, created a spectacular "Rainbow City."
A huge lighted Liberty Bell at the entrance was called the
"largest electrical structure ever."

The first exposition to use sound amplification; first comprehensive display of diesel engines, radios, electric refrigeration, "talking" motion pictures and multiple message telegraphy.
The sports program climaxed by Dempsey-Tunney bout for heavyweight championship.

Precedent was established by first appearance upon U.S. coin of likeness of a living U.S. President--commemorative half dollar.
Exposition's financial failure attributed to local skepticism, Sunday closing, no midway and incompleteness at opening.