Illinois Centennial half dollar
The Illinois Centennial half dollar is a commemorative 50-cent piece struck by the United States Bureau of the Mint in 1918. The obverse, depicting Abraham Lincoln, was designed by Chief Engraver George T. Morgan; the reverse, based on the Seal of Illinois, was by his assistant and successor, John R. Sinnock. Treasury Secretary William G. McAdoo required changes, not all...