@Sunfish...
You may be correct there, after a little thought, perhaps the method was to leave a small tag on for ident., (as per Prymak's letter to me) , "before" the advent of thin stamped strips welded on as I have seen that "welded strip" method in my time.
@propertee64...
Nothing yet, they will let me know when it will appear... I am guessing here, but the July 2nd anniversary is coming up so maybe around then. July 2nd is a Monday so maybe the weekend before. Saturday 30th June edition maybe.....