This is an area I know nothing about, so the answer may be obvious to some but it isn't to me. I thought this helmet looked more than slightly wacky, but it also has some appearance of age. Not something I'm interested in buying, but just curious - might it possibly be original and correct?
http://www.ebay.co.uk/itm/Original-Imperial-German-WWI-Spiked-Pickelhaube-Helmet-Camo-M-1915-Leather-Liner-/150664879299?pt=LH_DefaultDomain_0&hash=item2314539cc3" onclick="window.open(this.href);return false;
http://www.ebay.co.uk/itm/Original-Imperial-German-WWI-Spiked-Pickelhaube-Helmet-Camo-M-1915-Leather-Liner-/150664879299?pt=LH_DefaultDomain_0&hash=item2314539cc3" onclick="window.open(this.href);return false;