Is it illegal to put a stamp upside down?
Emily Wilson
Updated on April 18, 2026
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Also asked, is it OK to put a stamp upside down?
Yes. So long as it is the correct amount of postage, and placed in the proper location (upper right-hand corner), the machines that cancel the stamps and sort the mail don't care which way it's oriented.
Subsequently, question is, does it matter which way a stamp goes? Yes, the stamp has to be in the top right corner, usually about a centimeter from the top and right hand sides. Can I mail a letter with the stamp upside down? Yes, the orientation of the stamp won't matter at all.
In respect to this, what happens if you stick a stamp upside down?
If the stamp isn't in the upper-right corner, it may get diverted to a pair of human eyes to look for postage elsewhere on the envelope. An upside-down stamp might mean the sender loves the recipient, while a sideways stamp could have indicated they were being relegated to the friend zone.
Why does a stamp go on the right?
Once machines came into the picture, the postal service needed to establish a set of rules and decided to have the stamp placed in the top-right corner because it correlated with the mail handlers' dominant, right hand. If the stamp was instead sideways, this would suggest that the sender was not interested.
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