U.S. forever stamps aren't offered at deep discounts online, but slight discounts are available through approved USPS ...

The United States Postal Service's newest stamp collection is finally here, transforming the iconic children's book Goodnight ...

The so-called “sede vacante” stamps include an image used by the Vatican in official documents in periods between popes: two ...

The Vatican printed stamps in four face values: at 1.25 euros ($1.42), 1.30 euros, 2.45 euros and 3.20 euros. They carry the words “Citta del Vaticano” — Vatican City — and “Sede Vacante ...