I'll have go then.
C=UK (Country of Origin, Export as a CKD)
S=Port Elizabeth (Assembly Plant)
78=Unknown for South Africa, possibly a GT or GTL
H=1968
T=December
77012=Unique Vehicle Serial Number
43081=Single Item Dealer Order (SIDO) number
C=1.3litre High Compression Engine
11=4-speed Floor Change?
2=3.9:1 Rear Axle
A=Black Trim
2.0J=Unknown Paint code
That's the best I can do for you,.