Iowa Half Dollar 1946 BU Choice Uncirculated Silver Toned SKU:I4273. A genuine 1946 Iowa Centennial Commemorative Silver Half Dollar Coin, in BU Choice Uncirculated Mint State Condition. Struck in 90% silver, this commemorative half dollar marked the 100th anniversary of Iowa’s statehood. It was designed by Adam Pietz. The obverse depicts state’s first Capitol building above the legend OLD STONE CAPITOL IOWA CITY. The reverse bears the Iowa state seal, with the dates 1846 and 1946 and IOWA STATE CENTENNIAL encircling. The images you see are for the exact item you will receive.