![](http://www.alamy.com/thumbs/6/AF5BCE00-202C-4887-9B0D-776505904F80/E4N69G.jpg)
Brain with Window Symbolizing Free
NETHERLANDS - CIRCA 1975: stamp printed by Netherlands, shows Brain with Window Symbolizing Free Thought, circa 1975
Size: 3809px × 5344px
Photo credit: © Zoonar/Sergei Nezhinskii / Alamy / Afripics
License: Royalty Free
Model Released: No
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