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HERITAGE Auction Galleries. The Worlds Largest Collectibles Auctioneer. gradedstamps.com is operated from the HERITAGE Dallas office. The Heritage website, is loaded with top-tier collectibles, millions of images and a price history database that is second to none.
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Professional Stamp Experts [PSE], is an independent Board of Philatelic Experts, founded in 1985. Acquired by Collectors Universe [nasdaq:CLCT] in 1999, PSE begain offering graded certificates for stamps in 2002. They've developed a strong reputation in the marketplace for conservative grading and rock solid authentication. They publish a Quarterly price guide that is available in print or online. |
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The premier organization of American Philately. The American Philatelic Society [APS] website is well organized and has a lot of Philatelic resources to offer. Steve Crippe has been a Dealer-member in good standing of the American Philatelic Society since 1990. |
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Founded in 1930, non-profit organization United States Stamp Society [USSS] is devoted to serious study of most United States Stamps. We highly recommend a membership in this worthwhile organization. |
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Airmail Pioneers. History, Photo's, Pilots, more. |
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The American Stamp Dealers Association [ASDA] is Philately's oldest Dealer Professional organization in the USA, established in 1914. Steve Crippe is an ASDA member, in honorable standing since 1995. |
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Looking for resource information on USA stamps? 1847.com offers an Identifier, printing methods, quantities, secret marks, paper types, watermarks and more |
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Stamp Collectors against Dodgy Sellers [SCADS] Education about Stamp Scams. This excellent site covers everything from Fakes and Forgeries, to advanced Internet Seller Fraud. |
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United States Philatelic Classics Society [USPCS] scholary organization covering the United States Classic-era stamps. |
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Linn's Stamp News. World's Largest Weekly Stamp Newspaper. |
| Fakes and Forgeries |
Excellent web resource to learn how to Identify Alterations and Fakes. |
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Collectibles Insurance Agency [CIA] has provided our commercial insurance for many years. If you need insurance for a stamp collection, this firm comes highly recommended. |
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Buy USA stamps at Face Value. United States Postal Service [USPS] |
| Non-Denominated Chart |
Find the Face Value of Non-Denominated US Stamps; A,B,C,D,E,F,G,H and No Value Designation. Provided by United States Postal Service [USPS] |
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ASK Phil. 100% Non-commercial, all-reference site sponsored by the Collectors Club of Chicago. |
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National Postal Museum [NPM] |
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Bureau of Engraving and Printing [BEP] |
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Identry, LLC. Websites for Collectibles Dealers, including gradedstamps.com |
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SiteUPTime. These guys monitor gradedstamps.com website performance |
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Freakystamps.com. A website devoted exclusively to the wacky world of error stamps.
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