Collectible coins can include a variety of types, such as commemorative, bullion, and numismatic coins. The George Washington pieces from 1783, also known as the Washington pieces or Washington medalets, commemorate the legacy of George Washington and reflect the early numismatic history of the United States. These coins were created in silver and are highly sought after by collectors due to their historical significance and association with the founding of the nation. They often feature intricate designs and are valued for their rarity, condition, and provenance within the context of American history.