I member someone here was trying to crack this a year or two ago … maybe this new clue will help
<spoopy Q's included
(also a WW…buuuut dunno if thats really related…)
and yesterday was national puzzle day!
https://www.dailymail.co.uk/news/article-7946417/Artist-reveals-final-clue-help-crack-code-30-year-old-sculpture-outside-CIA-headquarters.html