The 1973 Denver 1-cent coin, commonly known as the penny, is part of the Lincoln penny series, which was first issued in 1909 to honor President Abraham Lincoln. The coin features the image of Lincoln on the obverse and the Lincoln Memorial on the reverse, a design that was used from 1959 until 2008. The 1973 Denver minted pennies are primarily composed of copper and are valued based on their condition and collector demand. Rolls of these coins can be collected for their historical significance and potential numismatic value.