Aust master general of ordnance 1942

[Bill Murray]

I am not real good on AEC and have been racking my brain to come up with "what could NA mean". Nothing....

I am upstairs for the moment and too lazy to go to the cellar to check my reference materiel, which is scant on AEC but I have come up with one theory.

Perhaps it is a typo error, not an unknown problem with military clerk/typists and it should have been SA instead of NA. SA in this case being South Africa. Anyone know if AEC built a series of Matadors for SA?
Bill