Collectors can find stamp collecting price guides online at and These guides offer filters and show the collector the current value of the stamp, which can change depending on demand. More » Hobbies & Games Collecting Stamps

As of June 2014, the base rate of a U.S. first-class postage stamp is 49 cents. This rate applies to standard-sized mailings weighing 1 ounce or less. Twenty-one cents is added for each additional ounce. More » Business & Finance Mail & Shipping Postal Services

To find out what old postage stamps are worth, do a little research into the specific stamps, and be careful in identifying the stamps correctly. Some stamps have common and rare varieties which differ from one another o... More »

The hobby of stamp collecting is called philately, and collectors are known as philatelists. Stamp collecting focuses on the collection of stamps used for postage, and some collectors also include the actual envelopes th... More »

The American Stamp Dealers Association is a professional organization that promotes stamp collecting in a safe, reliable and honest way by overseeing the standards and business ethics of dealers of philatelic matter. Mem... More » Hobbies & Games Collecting Stamps

To order online access to the Scott's Stamp catalog, go to the Scott Online Catalogue Bookstore, choose the desired catalog, click on "Buy" and complete the process to purchase. Stamp collectors can order a print copy on... More »

To view Scott stamp catalogs online, first purchase a catalog online at the Scott Online Catalog Bookstore, and begin viewing by using the Olive book reader. Before purchasing a catalog, create an account... More » Hobbies & Games Collecting Stamps