I acquired this at the Manchester Show over the weekend from the members' sales stand.  In a shabby box marked 'Offers' (and warning me to be cautious because it was EM gauge!), my offer was accepted.  At first sight It was obviously going to be of some vintage (early 50's?), my first thought maybe a Graham Farish body - but it wasn't cast, it was brass.  Then I considered Sayer Chaplin - but no etched rivets etc. put paid to that.  Next was Jamieson - but did they make a Prairie kit?  Still no