I know that there were and still are low tech ways of espionage. My wife and I visited a friend of ours that spent many years with the CIA. He shared many declassified way the CIA used low tech items to communicate when they were on the other side of the "Wall". It was an evening I will never forget. He died of a heart attach at 62. Coincidence?
Do you have any idea how hard it is to find an image of a vise holding a vice job, for example, a pair of hands holding a "Full House"???? This is the best I could do : I was hoping to find an image of a vise holding a vice job (gambling).
@SensibleSal66 In rereading this title, it looks like you're addressing the cent, like; Ay yo! 1980 Cent - what's going on ? See how that works just as well?