Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish boy ...

Japanese eki stamps (station stamps) are a charming feature of Japanese railway culture. Beloved by visitors and oshi-tetsu (train-stamp nerds) alike, collecting them as you make your way around Japan ...

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 ...