Five million? And Ilet mine get away? ...(crap)
This is an ad from the September 1955 issue of American Aircraft Modeler (my birth month and year).
OK if I file that picture of your dad's plane (is that you?) for use in my Blog? I'd appreciate any background on it or how you got to be a Ukie flyer so Idon't have to guess...

Troy
BtnFlyGuy's Blog