This is a 1981 Lincoln Memorial Cent, featuring the portrait of Abraham Lincoln on the obverse.It was produced with a copper alloy composition.The small letter "D" below the date indicates it was minted in Denver.Similar circulated coins of this year are often listed for sale, though their actual market value depends heavily on condition.

This is the reverse side of a United States Lincoln Memorial cent, produced between 1959 and 2008.The design features the Lincoln Memorial with the inscription "UNITED STATES OF AMERICA" above and "ONE CENT" below.Coins from this era generally contain 95% copper, though the composition changed to copper-plated zinc in 1982.While millions were minted, specific errors or mint marks can increase their value for collectors.