It was common practice in the 1920's to have dashboard plaques attached to cars, sometimes advertising the Garage that sold the vehicle, but more commonly at St Christopher, the patron saint of travellers. The Birmingham Medal Co. made an Auto Outings for Bairns St Christopher dashboard plaque, certainly not mass produced and possibly a one off item.
Click here was a hi-res version ( 884kb)
It was most likely attached to the car dashboard of Grand Typhoon Lieutenant-Colonel Patrick Cornelius Saunders O.B.E., one of the top A.O.F.B. officers, or possibly even founder Bert Temple's Armstrong Siddely. The St Christopher itself is of French manufacture incorporated into a set of wings.