Hello ..New here.I got several razor that I can't find anything about.They came from Germany.My father brought them back from WW2. They are very old Or most of them are.But have anyone heard or know of a place to research them.name like Boker and Co,Facharbeit, ,Colmbi, Superba, or F Koeller & Co. One is in a box that says S.U Korgermann gegr 4 1847. Any help would be nice..Idontno