A new Postcrossing stamp… from the USA!!! HURRAAAAAAAAAY!!! USPS is issuing shiny new Postcrossing stamps — and they’re rare triangles you can place right on a postcard corner for an extra-cool look. They launch on May 26 at the Boston 2026 W...

We’ve waited a looooong time for this: USPS Postcrossing stamps are coming! 🎉
They’re triangular, super colourful, and they launch May 26, 2026 at the Boston Stamp Show! Hurray!

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