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Not Just Envelopes II: Flip-Flops

Did your friend forget his or her flip flops at your place. The U.S Postal Service has no problem returning them to learn more »

Looking for more Participants – February the 19th

Do you have friends, colleagues or family members who would like to join our measurement? We are currently looking for participants in learn more »

Cats and Letterboxes I: A Greek Afternoon

One sunny afternoon in Greece, a ginger cat was resting on an old letterbox. The original photo was taken by Panos Tsaligopoulos learn more »

Beautiful Stamps VI: Dog In Space

Stamp art from Ajman, United Arab Emirates, c. 1967, of Laika the first dog to travel to space. More than 25 dogs learn more »

Looking for more Participants – February the 12th

Do you have friends, colleagues or family members who would like to join our measurement? We are currently looking for participants in learn more »

Letterboxes around the World VI: Komagome Letterboxes

A pretty Japanese letterbox decorated with drawings of cherry blossoms in Komagome Japan. The original photo was taken by one of our learn more »

Not Just Envelopes I: Coconuts

The U.S Postal Service allows its customers to mail coconuts across the U.S.A without extra packaging. This means that you can just learn more »

Looking for more Participants – February the 5th

Do you have friends, colleagues or family members who would like to join our measurement? We are currently looking for participants in learn more »

Letterboxes around the World V: Golden Postbox

One of many postboxes painted gold in London to commemorate British Olympic and Paralympic golden medalists. The original photo was taken by learn more »

Animals in the Postal Service III: Live Bees

Bees are one of the few animals that can be mailed alive. Different regulations apply for different species of bees as well learn more »