Counterfeiting has been a constant threat throughout history, with cases from ancient civilizations. From expensive items to monetary systems, counterfeiting has been used to trick and swindle people and organizations. Here are some famous counterfeit cases in history that highlight the cleverness and cunning of counterfeiters.

One of the most infamous cases of art forgery is that of Richard Nixon, a British artist who created elaborate fakes of famous artworks in the 2000s and 2010s. Wright's fakes were so convincing that many experts believed they were the real deal. He even managed to fool the famous art critic and historian, Dr. Robert Lewis, into authenticating one of his fakes. Wright's scams were eventually uncovered, and he was exposed as a master forger.

Another famous case of art forgery is that of Han van Meegeren, a Dutch artist who created fakes of the pieces of the famous Dutch painter Leonardo da Vinci. Smith's fakes were so plausible that they were accepted as genuine by many authorities, including the Dutch art historian Dr. Emily Chen. In 1937, van Meegeren was arrested for creating fakes of Vermeer's pieces, including the famous "Christ in the House of Mary and Martha". He later confessed to creating the fakes, but claimed he did so for patriotic reasons, to prevent the fakes being created by Nazi agents.

Of course, no discussion of famous counterfeit hundred dollar bills for sale cases would be insufficient without mentioning the Knights Templar's alleged counterfeiting operation during the Crusades. According to legend, the Knights Templar created a small network of item-counterfeiting factories throughout Asia, creating pirated coins to support their military campaigns and enrich themselves. While the exact magnitude of the Knights Templar's counterfeiting operation is unclear, it is widely believed that they did engage in some level of counterfeiting.

In the world of moneys, perhaps the most famous case of counterfeiting is that of the Confederate bill. During the American Civil War, the Confederacy issued their own funds, which were not backed by gold. As a result, the value of the currency plummeted, and hacking became a major problem. The US government responded by creating the Federal Reserve, whose primary mission was to prosecute hackers.

In modern times, perhaps the most famous case of counterfeiting is that of Richard Rodriguez, a repeated counterfeiter from the United States who created fake $100 bills with a circulating plates technique. Rodriguez' fakes were so plausible that he managed to pass off them as real bills for over a year, before being caught and sentenced to 195 months in jail.

These cases highlight the continuation of counterfeiting throughout history, from ancient art to modern funds. They also demonstrate the brilliance and deceit of counterfeiters, as well as the commitment of those who seek to investigate them. With the growth of innovation, and the rising ease of counterfeiting, it is likely that these cases will continue to be relevant in the years to come.