The one-cent coin was minted in Denver "D". Lincoln Wheat Pennies were minted from 1909-1958. The MS67+ grade indicates a Mint State (uncirculated) condition and "RD" signifies Red Copper color. The 1 in the date is smaller than than the other numbers, the top part of the "S" in PLURIBUS is filled in with slag or something. PCGS price guide list this coin for $6750 On Sale $1350