this pic is from a parc in a town near the catalan pyrenees cuyo nombre no quiero recordar.Here, from Wikipedia, is the same word with the letters in the correct order:
obviously, the "author" of this "work" looked up "peace" in hebrew letter by letter, ignoring that semitic languages are usually written right to left. wikipedia (search term: hebrew alphabet) rules.
why he or she took the dalet for a vav while still being smart enough to put in the correct form of mem i really am unable to fathom.
i can, however, imagine this being done by any 10 year old and no big deal. but was there no adult tutoring the kids? and was there no municipal employee to oversee the whole feat?
It's not really all that hard.