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Worldwide Stamp Identifier


The International Society
of Worldwide Stamp Collectors

Benefits of Membership
  • The Circuit

    ISWSC's Newsletter with articles, program updates, free ads for members and other information.

  • Swap Circuits

    Separate circuits for commemorative, definitive, USA and CTO stamps. Receive 100 stamps, take what you want and replace with like quality material and pass it on to the next person on the list. Sign up for as many circuits as you want. Annual fee $2.00 for up to 4 circuits plus 100 stamps of the type of circuit you are joining.

  • Catalog value exchange (Omni Exchange)

    The exchange circuit allows USA members to exchange stamps on a catalog value basis by filling exchange booklets and submitting them to the exchange manager.

  • Sales Circuit

    The sales circuit allows USA members to fill booklets with material to sell, price it yourself and we will circulate to other members in the sales circuit. Sign up to receive sales circuit booklets. Most stamps are priced reasonably at 1/4 to 1/3 CV.

  • Auction

    Held 3-4 times a year, if not more often. Submit lots for auction and they will be listed. There is a 20% fee on lots sold.

  • Premium Circuit

    Send 50 stamps cataloging at least 50 cents and receive 50 different stamps in exchange; never get the same stamp twice. Must list stamps sent by catalog number and provide postage.

  • Stamp ID

    Our "What's It" man will help you with those mystery stamps and publish the ones that stump him in The Circuit for others to help.

  • Stamp Outreach

    We provide free stamps to children, youth groups and other non-profit groups supporting the hobby.

  • Trade with other members

    You will receive the club directory which lists collecting interests, age group, whether you are beginning or more advanced, and whether you are willing to trade. Contact other members and begin trading on your own.