The humble penny may seem insignificant, but some 20th-century U.S. cents are among the most valuable coins ever produced. Rare Due to minting errors, limited production, or historical circumstances, these rare pennies have become legendary in the numismatic world. Today, collectors are willing to pay a fortune to own even a single example. Here are … Continue reading Top 10 Rare Pennies of the 20th Century That Collectors Pay a Fortune For