In my area back in the day, most of the Chevrolet Dealerships installed '49/50 Chevrolet car hood ornaments on the trucks. I kept my parts trucks in my dads best friends junk yard, & he had 50-60 AD trucks at the time. Most all of them had that same car ornament on them. I also went to my local library & did more research on this matter by looking through old micro film at Dealership press photos, & saw this same ornament on the trucks. I was told by a long time Chevy Dealer parts guy that the Chevy Truck hood ornament didn't actually become available until late 1952. Makes sense to me.