This 1947 premium was one of the most requested premiums ever. Brass ring base features star and lightning bolt designs representative of shooting atoms. Bomb-like attachment on the top has red plastic tail fin cap that removes. Object was to look inside to see flashing atoms although this action lasted only very briefly and rings no longer display any atomic activity. See our following example which is the original instruction sheet for this ring. Ring is Exc. with near full luster.