The society maintains a collection of coins, paper money and medals and promotes all aspects of numismatic research and learning. In addition, the library holds a collection of numismatic literature.

Established to encourage and promote the science of numismatics, through the study of the coins, medals, tokens and banknotes of the peoples of the British Isles and Commonwealth, the United States of America, and all territories that at any time have been subject to British jurisdiction.

A non-profit organization of the leading international numismatic firms. The object of the association is development of numismatic trade conducted according to the highest standards of business ethics.

Encouraging and promoting the science of numismatics by specializing in areas and nations other than the United States.

A community project for people to do research, publish and verify data, share their collections and generally make the whole thing work.

A worldwide Internet based numismatic club. Offering a mail swap/trade list and a discussion list.

(WBMCC) Worldwide organization of individuals collecting bi-metallic coins. Site contains many images and a variety of good information regarding bi-metallics.