A quick search gave the correct spelling as Yves St. Laurent. Didn't need to search the fact that it was Oscar De La Renta who did the 1980 redesign. While many fellow old timers complain about the redesign, and in particular the epaulets, I liked them, as I was constantly having to adjust my sash at OA events. That is probably an unintended benefit, but one I welcomed.
While my troop does not wear the neckerchief, I do have quite a few, going back well over 50 year. I do still occasionally wear them when in one of my 60's/70's uniforms. Still have my very first one, from '64, althou