I don't have any information on this particular item but believe I have seen it for sale previously, at Snyder's.
Admin edit: Picture is in post#5 below
Admin edit: Picture is in post#5 below
An early BDM member scarf pin badge.This is a very scarce badge. It is a fluted die-struck brass. It measures 25mm (2 inches) in diameter.It has no maker marks.The condition is near very good, with wear apparent.