Fort Myer and Henderson Hall Riderless Horse and Caisson CharmHonor your time at Fort Myer and Henderson Hall, Washington D. C. with our riderless horse charm and attached caisson carrying a flag draped coffin. The charms can be purchased separately or purchased together. JB Myer and neighboring Arlington National Cemetery is a sacred place and we desire to honor our nations hero's. A custom created design Fine . 925 cast silver, produced in California. Hand painted by women artisans. Licensed by the U. S. Army