Atwater-Kent coil box & switch to suit the Type K2 and Type H ignition systems. These were used on the after-market Model T Ford A-K distributors as well as various other A-K ignition systems. This is missing the key.I accept PayPal and I can post this.
I believe this is exactly the as fitted to Alvis Speed 20 models that used dual ignition. I has three positions, the middle for "Off" and one either side for either mag or coil. The spindle comes through the back to be connected to the H.T. change over switch on Alvises.It is marked "AM" under a crown but it is not an Air Ministry mark as far as..