Australian A-body, where is the fender tag/option tag supposed to be?

The body number is stamped into the RHS inner fender/guard and the ID/Compliance/Option code plate should be riveted to the RHS of the firewall, sounds like it might be missing from this vehicle though.
Body numbers can be decoded here Valiant Decode Centre | Vin Decoder | PlumKrazy Garage
Aus option codes can be researched here Chrysler Valiant Option Codes
The photo below shows where the plates are normally located on the firewall, this is from my VF model, a VG would only have a single plate though. Trust this helps a bit.
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