1983 Lincoln Memorial Cent: Copper Plated Zinc Penny
.Mintage: 775,235,500
.Minted at: Philadelphia (No Mint Mark)
.Designer/Engraver: Frank Gasparro
.Metal Composition: 97.5% Zinc - 2.5% Copper after 1982
.Diameter: 19 mm
.Mass/Weight: 2.5 grams
.Thickness: 1.3 mm
.Variety/Rarity: Philadelphia/Type4, Memorial Reverse ZINC