Imagine how much that collection would be worth now! For over 180 years, we’ve been collecting stamps, and philatelists have put a high price on the rarest of the rare stamps, from hundreds of ...

Traditional mail is still the biggest money-maker for USPS ... them to delay any additional stamp price increases until the recent increases' effects on mail volume and revenue can be assessed. "While ...

Factors such as printing errors, limited production, and historical significance all contribute to a stamp’s value. From historic European issues to prized American rarities, here are 10 vintage ...