Rare Coin as a Connection to History

Brandon had always been an avid collector of rare coins. He spent countless hours searching through antique shops and online auctions, hoping to find the next valuable addition to his assortment. However, he took particular pride in a rare 18th-century coin that he had discovered hidden in an old book. To him, this coin was not just a piece of metal, but a __________ of history, a tangible connection to the past.