Climbo

No luck with the mags (mostly old Winnings), though I didn't get a chance to raid my dad's collection of 'ICS' and 'Cycling' going back to 1842. Doesn't matter though.

Check this out
http://www.classicrendezvous.com/Bri...con/Falcon.htm

Even better, check this out.
http://www.bikecult.com/works/archiv.../falconRB.html

I reckon it's your frame, in blue. Same fork crown, same long pointy lugs, same 531 label. 1980.