The American Philatelic Society promotes stamp collecting for people of all ages, offers services to its membership and to philately in general, including knowledge and education, which enhance the pleasure and friendliness of stamp collecting, initiates and coordinates new programs for the benefit of stamp collecting and of all collectors, represents the United States of America in the world body of philately, and assist its members in acquiring and disposing of philatelic materials. The American Stamp Dealers Association is a professional organization serving philately since 1914. The ASDA is dedicated to promoting integrity, honesty and reliability, and building the hobby of philately.
What's the value of your stamps?
Free Online Stamp Catalog and Price Guide: http://www.StampCatalogue.org
Canadian Stamps: http://www.CanadianStamps.info
British Stamps: http://www.Britishstamp.net
Stamp Collecting US Postage Stamps : http://www.AsburyParkStamps.com