From the early to mid-1950s, although we aren't sure of the premium sponsor. Most likely it was Colgate-Palmolive. Adjustable brass bands with their portraits on each side. A brass strap across the top holds silver luster aluminum 1.5" replica horn which produces a loud squeaking sound when blown into. Brass base appears to have been cleaned but displays beautifully with high luster on both the base and the horn itself. Beautiful example of a scarce ring.