Front screen

ok, this is post two of three for today, this was "found" in the loft of Geoff's garage earlier this week, may need some help with identifying this ( help Luddite !) I cant recall Geoff showing me any pictures of a silver Monster , unless he bought it to do something with. Appears to be screen with brackets, I am guessing S2R/S4 front screen????

Again all assistance trying to identify it appreciated, reasonable offers please, better to collect I guess but I will find out how much postage is if anyone is interested.

Monster Screen 2 by Mike OConnor, on Flickr

Monster Screen 1 by Mike OConnor, on Flickr