1940 Proof Set. (PCGS).All examples are individually graded and encapsulated by PCGS, as follows: Lincoln cent, Proof-66 RD; Jefferson nickel, Proof-67; Mercury dime, Proof-67; Washington quarter, Proof-67; and Walking Liberty half dollar, Proof-67. (Total: 5 coins)From the Collection of Carril Valparaiso.