1946 Iowa Commemorative Half Dollar, PCGS MS 64. This is a nice and original Choice Uncirculated coin that PCGS graded MS 64. It has luster under light toning. The type was issued for the centennial of Iowa statehood. It was struck in. 900 fine silver and contains. 3617 troy ounces of actual silver. Please be sure to check out my other listings! 1946 Iowa Commemorative Half, PCGS MS 64, Lightly Toned Choice Uncirculated. Auctiva offers Free Image Hosting and Editing. Auctiva gets you noticed! Track Page Views With.