1942 6 COIN PROOF SET. PR64 Red Brown Lincoln penny. PR66 Walking Liberty Half Dollar. The item "1942 6 Coin PROOF Set PR64-PR66 Walking Liberty, Mercury Dime, Type 2 Nickel PF" is in sale since Friday, May 18, 2018. This item is in the category "Coins & Paper Money\Coins\ US\Proof Sets".The seller is "4cornerscoinmart" and is located in Divide, Colorado. This item can be shipped to United States.