Collectible coins encompass a wide range of numismatic items, including currency minted by governments and various tokens used for commerce or special events. In the context of the United States, the $10 ten-dollar coins may refer to specific gold or commemorative pieces that hold historical significance and value among collectors. Early American tokens, often categorized by Rulau's classification system, were privately issued for use in trade during the 19th century, often featuring local businesses or events, making them valuable for their cultural and economic history.