Breakthrough! A good friend did some digging around, and found the original Aztec trim was used in an AMC pacer as a DL trim option, and now I have found a company in Oregon, USA who can supply it.....in blue, red or grey. (http://www.mjcclassiccars.com/1976-AMC-Pacer-D-L.shtml#) example on this link. For anyone interested....smsautotrim.com also has many of the trims available from all other old holden models, and many other brands.