Think twice before using these stamps on your cards. Some could have surprising value, making them worth far more to ...

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 ...

If you’ve ever come across an old stamp collection and wondered if it might be worth something, you’re not alone. Collecting vintage stamps isn’t just a charming pastime—it can also uncover hidden ...

A Christmas stamp over 50 years old could be sold for over £500 thanks to an unusual printing mishap. The three pence stamp depicting an angel from Heaven – one of just 24 unused examples in existence ...

All ill. are of postage stamps. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!406368~!0#focus ...