The 40% silver proof Ikes are commonly referred to as “Brown Ikes” or “Brown Pack Ikes.” Their original government packaging is a brown-colored faux wood grain cardboard box. Dollars were not included in proof sets until 1973.īoth types of 1972-S Eisenhower silver dollars were packaged individually for sale to collectors. Note that there are no 1972-S copper-nickel clad proofs. Here’s a further rundown on the six types of 1972 dollars: The United States Mint produced four distinct types of copper-nickel clad 1972 dollars, as well as two in 40% silver.
