3 links
52 Plus Joker
52plusjoker.org
The American Antique Deck Collectors Club is for those interested in antique playing card decks and for collectors playing card decks of all sorts.
English Playing Card Society
opc.co.uk
Organization in the service of collectors of playing cards, card games and related ephemera.
The International Playing-Card Society
pagat.com
Members range from beginners through to expert in their fields with all aspects of playing-card activities, represented-games, players, collectors and those interested in the histo…