Girl Scout Brooches
A little bigger and a little showier than a pin -
1939 - The Crystal Ball Girl Scout Bar Pin was first offered in the Girl Scout catalog in the fall. A memento for the 1939 World's Fair, it came with an image of the Girl Scout Chalet - the newly opened Girl Scout/Girl Guide center in Switzerland. To honor this, the Girl Scouts built a smaller replica at the World's Fair in New York that worked as an information center and focal point for Girl Scouting.
The "crystal ball" was held together by a metal band with the trefoil
on it. If the band was unscrewed the ball separated into two pieces,
allowing the owner to insert a new two-sided picture in place of
the trefoil and Chalet.
More commonly seen is the necklace version of this item.