What kind of mics were those at the early Newport Folk Festivals?

[Fritz]

I'd bet on Neumann or AKG, but I can't identify that one.
Not a BK5 and I doubt a ribbon judging from the Teutchel connector and spider.
Might be an early 451 aka C60 or a KM56.

[Mike V]

I haven't seen one of these for quite a while.

My memory is a bit hazy, but I think they are a earlier version of one of these:


Which is a Rycote Ballgag windshield.