US Lunar Eclipse
Issuing EntityUSA
Year Issued2018
MaterialPaper
TypeCommemorative
About US Lunar Eclipse
A Forever stamp featuring a photograph of a total lunar eclipse. The stamp used a thermal ink that changed appearance when touched, showing the moon transitioning from dark to bright. The lunar eclipse stamp was the first US stamp with thermochromic ink. The innovation demonstrated how modern printing technology could create interactive stamp experiences. The stamp was popular with astronomy enthusiasts and technology collectors.
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