Provides brief history and images of Afghanistan's postage issues.

Offers to trade British issues for worldwide.

Collector shares images of worldwide issues and select covers.

Displays images of some European postage issues and covers.

Shows thousands of images organized by species or country.

Displays collection of postal issues and cancellations of Imperial China.

Provides U.S. and worldwide want and trading lists.

Slovenian offers to trade items from countries around the world.

Provides information about postal issues and holographic postal cards from the Eastern European country, plus articles on related topics.

Focuses on early issues of Italian states.

Shares want lists, plus tips for identifying and valuing U.S. issues.

Provides images and information related to twentieth century U.S. issues.

Shares collection of first flight and special flight covers mailed between the Netherlands and its colonies.

Shares collection of postage issues containing design errors.

Provides information on classics, locals, and stamp identification.

Provides information about postage issues used in the Empire and in the Soviet Occupation Zone, plus scans of plate errors on those issues.

Offers worldwide issues for trade.

Displays collection of German and worldwide issues.

Lists trade offers and wants, and displays selection of Israeli issues, FDCs, and postcards.

Provides information about some Malaysian issues, and offers to trade definitives.

Seeks to explore the area of Vietnamese Military Mail, and provides a reference of Viet Minh overprints on the issues of Indo-China.

Displays collection of issues from dozens of countries.

Shares Russian and Hungarian postage and revenue issues, including Zemstvos, perfins, and Cinderellas.

Displays issues that feature priests, institutions, and related subjects.

Briefly discusses precancels and perfins.

Displays collection of regular and commemorative U.S. issues from the nineteenth century to present, plus airmail and BOB issues.

Includes a section titled "Postal History of Finland, 1889-1918," which includes detailed information and images.

Offers issues from around the world for trade.

Provides information about philatelic and Numismatic colllection.

Displays collection from European country, plus issues of Yugoslavia and bird topicals.

Shares collection of Asian, European, and South American issues.

Offers to exchange issues of Greenland, the Faroe Islands, and several European nations.

Provides a reference of Dutch fiscal issues. Includes images and information about individual issues.

Exhibits specialized collections of issues from several countries.

Explores the parcel post issues used on packages mailed between Denmark and Greenland during the first four decades of the twentieth century.

Provides information about U.S. postage issues. Includes image gallery, identifier, and album pages.

Focuses on metorites and on legendary and extinct animals.

Offers European issues in trade for worldwide.

Offers an overview of philately, Danish issues, and collecting in the Washington, D.C. area.

Displays collection of postage and revenue issues.

Exhibits issues of New Hebrides and provides information regarding the pitfalls of purchasing classics on auction sites.

Contains detailed studies of Argentine, Indian, and other worldwide definitives.

Gives overview of St. Vincent postage and revenue issues, as well as fakes and forgeries.

Covers the basics of starting a collection. Includes information and images.

Contains images of the postage issues of dozens of countries.

Shows images of issues from around the world.

Offers to trade various topical issues.

Floridian trades issues for postcards.

Collector offers to trade worldwide issues and provides other information and links.

Provides scans of a nearly complete collection of unused U.S. issues from the 19th century, plus the owner's list of the top 20 most valuable items and images of the finest known copies from that period.

Presents postal issues and related material picturing the rhinoceros, plus unrelated issues from several Central Asian countries.

Provides news, articles, and comments.

British collector shares images of thematic issues and provides list of shows in the United Kingdom.

Provides a few images and information related to European issues.

Canadian displays portions of collection and offers to trade duplicates with other collectors.

Displays collection of issues of small Caribbean nation.