Hobbizine
Publishes information on a wide variety of hobbies and collectibles including stamps as well as paper money, coins, and cards. It also has price guides and some of the best links anywhere.
Stamp Fun for Kids
The American Philtelic Society has a page just for stamp collecting with kids.
American Topical Association
The largest topical stamp organization in the world - over 50 years in operation.
Stamporama: The free club for all stamp collectors
Stamporama began with 6 members in January 1996 with one idea -- trading duplicates among the members. Today Stamporama has over 675 members from 47 states, 11 Provinces and Territories of Canada and 62 other countries.
National Postal Museum
The National Postal Museum celebrates the beauty and lore of stamps, showcasing rare stamps and covers from the Museum's renowned collection.
USPS - Stamp Collecting
Stamp collection pages from the United States Post Office.
Art History on Stamps
The development of art history through times as illustrated on postage stamps, giving at the same time an overview of selected artists and their works representative for a given style.
Czeslaw Slania's Engraved Stamps and Banknotes
Resource for the engraved stamps and banknotes of the world famous engraver.
Finding Watermarks on Stamps
Stamp collectors use watermarks to help indentify stamps that appear similar but were actually part of different production runs. However, for both the new and the experienced philatelist making a positive watermark ID can be quite the challenge. This overview of techniques and equipment is just what the stamp doctor ordered to help you find those ellusive markings.
The Stamps of Germany's Inflation Period
The story of Germany's period of hyperinflation reflected in the stamp issues of the day.
The Pan American Stamp Series of 1901
On May 1, 1901, the Post Office Department released the Pan American series of stamps. The first stamps of the 20th Century, the series featured then-modern transportation themes, ornately illustrated, and printed using a bi-color printing process. Immediately popular, the stamps remain darlings of United States collectors.
The United States Bank Note Stamps
Detailed information on the United States Bank Note issues of postage stamps. Covers paper types, grills and secret marks. In the years between 1870 and 1893 dozens of varieties of stamps were produced. These varieties - stamps that appear similar but are treated as distinct issues by philatelists - include the scarcest and most valuable stamps in US collecting.
The Problem of Color in Stamp Collecting
The color of a stamp is often key to making a proper identification, but choosing the correct color is easier said than done. This review surveys the issues around stamp color identification and some of the solutions collectors have come up with over the years.
Siam - The Classic Stamps of Thailand
Some of stamp collecting's greatest treasures come from Thailand. This survey of the Siam period of Thailand's stamp production will help you learn about the classic issues of this nation.
All About Stamp Perforations
Perforation measurement provides a way to distinguish otherwise similar appearing stamps, and all major stamp catalogs will provide this information. This article will help you learn the basics of the technique.
Bavaria and the First Stamp Issues of the German States
The story of the stamp issues of Bavaria, the first stamp issuing nation of the German States and the ninth such country in the world.
United Stamps Stamp Values
Wondering what your old U.S. stamps are worth? Hobbizine stamp value guides list prices in new and used condition.