1940 Lincoln Cent. Proof-67 RD (PCGS).Exceptionally vivid reddish-orange surfaces also offer intense reflectivity to both the fields and devices. All areas are equally smooth, as well, which fact confirms the validity of the rare Superb Gem grade from PCGS. Tied for finest certified in the RD category for this 15,872-coin Proof small cent issue.PCGS Population: 17; 0 finer in this category.