Poker Face

Playing cards were issued to British pilots in World War II. If captured, they could be soaked in water and unfolded to reveal a map fpr escape.

2 thoughts on “Poker Face”

  1. You sure? – How can that be? The pilots wouldn’t know where they were being taken, an there were more than 52 prison camps, wern’t there? I may be wrong. I wonder what happened if they were at a camp that wasn’t on the cards?

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