Quote:

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There were those Steyr trucks that Lazlo Almasy went to Africa in on hunting safaris

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From his 1926 expedition (gotta love the 'net!):









This, from the same 'site, does not attribute the trucks.
Tough to identify as the grilles, badges, and such are pretty well blocked from camera view. The overall size and shape looks rather like GM product of about 1940.