Thanks Flavio I think you are spot on. I was thrown off track a little by the fact that these are quite heavy. Real battle axes, the club like halft being typical on a quick search. I think I may have been very lucky. As can be seen this is old so I assume they are all from the same original collecter. This little bit of info is interesting.
http://links.jstor.org/sici?sici=0021-8537(1971)12%3A4%3C535%3ASAAAIT%3E2.0.CO%3B2-6
I do not know why the link will not work