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Unique, heat-activated solar eclipse stamps issued today
MyPalmBeachPost (blog) The U.S. Postal Service is releasing its unique solar eclipse stamp today that change images when touched. The Total Solar Eclipse Forever stamp is the first from the post office to use heat-sensitive thermochromic ink. When the new stamp is touched, … Total Solar Eclipse Stamps Will Reveal Hidden Moon Image: Here's When and How to Get Them US Postal Service releases commemorative stamp in honor of upcoming total solar eclipse USPS reveals total eclipse Forever stamp |
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