How does a you s penny look like?

A U.S. penny, also known as a one-cent coin, is made primarily of copper-plated zinc. It features the image of Abraham Lincoln on the obverse (front) side and the Lincoln Memorial or the Union Shield on the reverse (back) side, depending on the year of minting. The penny has a diameter of 19.05 mm and a weight of 2.5 grams, with its distinctive reddish-brown color resulting from the copper coating.