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22 ene 2017 año - US Postal Service issued stamp printed with thermochromic ink

Descripción:

which responds to changes in temperature as one touches it. The image is a solar eclipse that becomes the moon. It reverts to the original image as it cools.

Añadido al timeline:

printing

ByMartin
16 oct 2017
0
0
1215

fecha:

22 ene 2017 año
Ahora mismo
~ 8 years and 9 months ago

Fotos:

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