Here is a nice 100% Copper coin in a one ounce size.  This is a very nice solid coin in .9995 Fine Copper Bullion.  It measures 1 1/2″ x  1/8″ thick and has a natural shiny finish and neat Tatanka (Bison) and Eagle stamps. It comes in a protective plastic case measuring 1 3/4″ x 1/4″.