Be alert!
Publisher: Comisión de Orientación Revolucionaria
(Offset, 77x50 cm., inv.nr. BG E3/771)

The poster refers to the invasion in Cuba of 1,300 exiles, trained and funded by the United States, in April 1961. They attempt to overthrow Castro's regime, but receive no support from the Cuban population and suffer a crushing defeat within a few days.