The Francesco Borromini 100 Swiss Bank Note Commemorative Coin is a commemorative piece minted in 2007, making it a unique and collectible item for numismatists. With a denomination of £1, this 40mm coin pays tribute to the renowned Swiss banker and his significant contributions to the financial world. The coin is a rare and special addition to any collection, especially for those interested in commemorative coins from the 2000s. It also comes with a Certificate of Authenticity, adding to its value and authenticity as a prized possession.