Kommerzielle Koordinierung
Kommerzielle Koordinierung (English: Commercial Coordination), or "KoKo" for short, was a secret commercial enterprise in East Germany, run by Stasi officer Alexander Schalck-Golodkowski. == Origins and development == KoKo developed from the official smuggling operations of the 1950s.
Source: Wikipedia — Kommerzielle Koordinierung (CC BY-SA 4.0)