Gregory J. Harmon

Gregory J. Harmon is a seasoned paper money collector, trusted numismatics educator, and passionate advocate for helping beginners collect smarter. With over two decades of experience in the world of U.S. currency, Gregory has spent his career decoding the patterns, pitfalls, and profitable secrets of paper money collecting — not just as a hobby, but as a practical and enjoyable pursuit.

A lifelong Virginian, Gregory lives with his wife Jane and their two daughters, Mia and Amanda. When he’s not evaluating rare notes, speaking at collector events, or studying auction trends, he’s sharing clear, actionable guidance for everyday collectors who want to build meaningful collections without getting overwhelmed or misled.