Press Releases

    PNG Adopts Official Coin Doctoring Definition

    (Fallbrook, California) — The Professional Numismatists Guild (PNG) has created a definition of coin “doctoring” and now officially included it as one of the prohibitions in the organization’s By-Laws.

    Ponterio & Associates to Auction the Wa She Wong Collection of Chinese Coins

    IRVINE, Calif. – Ponterio & Associates, Inc., the world and ancients auction division of Bowers and Merena Auctions, is pleased to present the Wa She Wong Collection of Chinese and Hong Kong coins