They are pretty rare, only 5 or so owners on this site from what I have seen (of the various models). Check out mine in the botm contest. Give me a vote and make sure I dont finish dead last
Seriously though it is a sweet frame, 7005 aluminium, hand welded in Mavern. Very rigid, and pretty damn light.
I contacted Graham Foot via his store in Gloucester to help me with my build. He found his way here thereafter.
There are a few pics in my sig but here is one more yet to be posted,
As a few have said and is outlined in the aforementioned threads, the company started life as Bigfoot (Smokestone), it changed to Ozone (oxygen and co2), and then finally Smokestone Bikes.
My frame retailed in around 1994 for about £700 so it was up there with the other high end British stuff.