The Helmet Stays On Pin

Don't let the size of this pin fool you, but no matter what, the helmet stays on.
This is the way.

The pin has a silver nickel finish, three back posts, rubber clutches, and a raised artist backstamp.

Details:
Recessed areas
Mixed soft and hard enamel
Three back posts with rubber clutches
1.625 inches tall. 2.25 inches wide.