ford sign

another great find for me in my junk pile , i was down aboyr 3 feet in ahole looking for bottles and what not whaen i hit this i thought it was just a old piece of metal [it had a lot of dirt on it ] so i hit it on a rock and when the dirt fell off i saw ford :) yes i smiled so i put it in my pile of other stuff when i got home i cleanned it better and this is what i found , now what was it for or where did it go . it is made of copper , i hope some one will be able to tell me . oh and i found a hubly toy fire truck by this sign but its missing a tire so i throw it back not lol ty for looking