There's one of these German fur caps on eBay right now. One problem with this type of fur hat is that there is a wartime Swedish fur hat that is nearly identical to the German version. I've seen a few originals and a few fakes (Swedish hats with German badges). All of them were virtually unused.
http://cgi.ebay.com/ws/eBayISAPI.dll...257390200&rd=1
http://cgi.ebay.com/ws/eBayISAPI.dll...257390200&rd=1
Comment