USPS Postcrossing stamps commemorate a global pen pal project to connect people across countries and cultures.
A new U.S. postage stamp is triangle-shaped, and it’s valid on mail sent around the globe to more than 180 countries.
USPS Postcrossing stamps commemorate a global pen pal project to connect people across countries and cultures.
A new U.S. postage stamp is triangle-shaped, and it’s valid on mail sent around the globe to more than 180 countries.