Well, I got my own curiosity up & it doesn’t appear to be either. Nor Sepah-e.
I can see the photos in my mind. grrr this is going to keep me up till I find, now.
They are “so-called” anti-riot police. Photos here
http://en.wikipedia.org/wiki/2009–10_Iranian_election_protests
photos on right, 4th row from the top- click to enlarge (but it isn’t captioned)
and here
http://cryptome.org/info/iran-police3/iran-police3.htm
more than halfway down the page; the ones with the “cowled” helmets