Be security conscious — American poster
American poster published in Berlin sometime in the 1950s urging vigilance against the Soviets. The US, France, Britain and the USSR were all at the time occupying the city.
This is a reproduction printed professionally on high-quality matte paper.
Small prints: A4 (210 × 297 millimeters or 8.27 × 11.69 inches)
Large prints: A3 (297 × 420 millimeters or 11.69 × 16.54 inches).