Schweigen, nicht schwätzen-der Feind hört mit. Keep quiet, don't talk: the enemy is listening. Memo with back adhesive side, size 10 cm x 7.5 cm. Most likely used for sticking on a telephone or radio transmitting device, as a reminder about non-disclosure of secrets.
Schweigen, nicht schwätzen-der Feind hört mit. Keep quiet, don't talk: the enemy is listening. Memo with back adhesive side, size 10 cm x 7.5 cm. Most likely used for sticking on a telephone or radio transmitting device, as a reminder about non-disclosure of secrets.