Up until the ban on coffee exports, Monasterio Trapense used to ship 150 kilos of coffee per week to be sold in the US—and even got away with it for a while after the ban, but it was short-lived. After the ship carrying what would be their last shipment left port, they were contacted by the head of the National Guard and told that that was it. No more of their coffee would be leaving Venezuela.
Source: munchies.vice.com