I looked at my Winfer Jeff. & Trade Farq. book and the best front sight pictures it has is of the hinged hood type and a full rib barrel type.
The hinged hood picture (p.80) looks like the brass bead protrudes but with the picture quality it is hard to tell if it is brass at all - could be all steel.
The ribbed barrel sight (p.81) looks like it is missing the bead altogether.
I was hoping someone here has an original Jeff to check.