German
(american may be?)
American, German, British (from top down)
G7a
German + American torps. - German foreground
I don't know, but the brass type warhead is very much evident, and the body is either brushed metal or brushed brass as well. That's from what I gather, if this helps anyone, good.
I think that the one you submitted is very close to the one I posted last, but I think you mistook the reflections in dark room for black. It's actually brushed aluminum. It looks to me that way. But of course I can be wrong.
@AL - I think they never bothered after certain period to paint them. :hmm: