Gizmodo |
The Moon Magically Appears on the Post Office's New Total Solar Eclipse Stamp
Gizmodo The inks used for the new stamp can be damaged by UV light, so the Post Office recommends keeping it hidden away in a special envelope they will happily charge you extra for. In other words, they recommend you don't actually use the stamp to mail a … Post Office To Mark Eclipse With First-Of-Its-Kind Stamp Snail mail is cool again with the U.S. Post Office's color-changing eclipse stamp Post Office Creates a First-of-Its-Kind Stamp in Honor of an Event This Summer |
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