Definition: Professional Numismatists Guild (PNG) is a nonprofit organization founded in 1955 and is composed of the country's top rare coin and paper money dealers who must adhere to a strict Code of Ethics in the buying and selling of numismatic merchandise.
Website: www.PNGdealers.com
Examples:
Coin dealers that are members of the Professional Numismatists Guild adhere to a strict code of ethics and can be trusted.
