Boston is hosting the international "Super Bowl" of stamp collecting Memorial Day Weekend and it's free to check out.

Those tiny squares of paper we stick on envelopes hold secrets that would surprise even the most curious minds. From the world’s first postage stamp that revolutionized global communication to rare ...

Stamp collecting feels like something your grandpa would wax poetic about, but it's cooler than you think. While the odds that you'll come across one of these record-breakingly rare and valuable ...

This series consists of forty-six letters ranging in date from 1847 to 1851. Much of the correspondence consists of letters between Rawdon, Wright, Hatch and Edson and the Post Office Department, and ...