I would go for Nazeing its so near to cloisters and belfry patterns made in the 50s and they continued making them for some time - some were made post war also .mono-nickel non rusting sqare profilewire was used , colours of post war were crystal-peach and golden amber later amethyst was substituted for peach . info from THE BOOK 75 Years of Diverse Glass Making to the World by Geoff Timberlake . ANY SMALL ERRORS DOWN TO ME AND A BOTTLE OF CLARET - THANKS GEOFF A WORTHWHILE BOOK .