Background Information on an Australian NSU RO-80

I have acquired an USU RO-80 sedan and I'm trying to get some providence information on this car's origin and history. Including Date of manufacture and possible date of export to Australia.  The car was recovered from a barn in Cooma NSW, after being off the road for nearly 20 years. The information I have is as follows;

Fahrgestell Nr.  380 0110 240

Current Engine - 2 Spark plugs per rotor

Small rear light clusters

Metal front grill

4 x Individual Headlights

Original Colour - Metallic Silver with Black Upholstery

Any information would be greatly appreciated 

Rgds

 Ian Gosper