East German rain coats of all types. 

Each branch had their own colored raincoat. 

Zoll (Custom officials) used light grey

NVA (Infantry) Grenztruppen (Boarder Guards) & Statsi (Security police) used light green

Volksmarine (naval) used dark blue

Volkspolizie (police force) used Dark green

Transpolizie (Transportation police) used Blue

These are used and may have age and marks to them. May also come with attached shoulder boards.