The picture below shows a larger view of this Old Perry's Tropical Nut House Belfast Maine Advertising Souvenir Metal Toy Ring. The ring is not dated but it is old. It is metal with an applied shield shape with an elephant. It is marked as follows:
MAINE PERRY'S TROPICAL NUT HOUSE
The souvenir ring is adjustable and it measures about 3/4'' tall. It appears to be in excellent condition as pictured.