Penny Black 1840 is dedicated to the world's first postage stamp and Victorian line engraved stamp collecting. It features information, articles, and images on the Penny Black, 1d Red, 2d Blue, and other rare Victorian stamps, alongside a thematic stamps blog exploring the stories behind thematic postage stamps from around the world.

Philately Today is a blogging site dedicated to the world of stamp collecting, offering a variety of articles that delve into the history, postal history, and unique aspects of stamps from different countries. It serves as a rich resource for philatelists looking for in-depth information and stories behind stamps, including special features on British stamps used abroad and the postal history of Armenian stamps.

"Letters in my mailbox" is a personal blog that showcases a diverse collection of postal covers and stamps from around the world. The author, Emilio Fernandez, shares his experiences and stories associated with each item, creating an engaging journey for fellow philatelists and enthusiasts of postal history.