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22 gen 2017 anni - US Postal Service issued stamp printed with thermochromic ink

Descrizione:

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.

Aggiunto al nastro di tempo:

printing

ByMartin
16 ott 2017
0
0
1214

Data:

22 gen 2017 anni
Adesso
~ 8 years and 9 months ago

Immagini:

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