These declassified NSA security posters are A M A Z I N G. The level of surreal whimsy is... unexpectedpic.twitter.com/FaEcy25s1n
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Full set of them (warning: 73MB PDF): http://www.governmentattic.org/28docs/NSAsecurityPosters_1950s-60s.pdf … via http://www.governmentattic.org/
It’s for a reason. The same reason they’re rotated fairly often. To avoid becoming part of the scenery.
I remember seeing a collection of those about ten years ago, using mid-naughts pseudomemes like lime hat kitty. Apparently they want the posters constantly changing and ridiculous so they'll actually be noticed.
That elephant one would make me spill the beans. Too cute.
These are incredible 
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