howdy all just some photos to peruse. the clean brass back has stamped on the brass back [rw&w cast.steel ]that is a dot in there also which i have never seen before the top fixing brass screw has been stamped. it is a big quarter inch sqare with a small raised item on it [logo, number ,trade mark ,owner id ] any one know of rw&w i,m just trying to get the hang of uploading stuff, but the other pic,s might interest someone cheers pat