OK I,m gonna chuck my 2 cents in here, I think IMHO it ,s English and late 60,s, I have a reason for thinking this but I wont bore u with it ,not sure of make but am thinking it falls in along the lines of "Bates" etc etc, not saying it is one just similar,the guides on BB look familiar to me, I hope u find out for sure,wish it was mine good luck !