Vintage Great graphics King Koil button pin

This listing is for a Vintage King Koil round button pin brooch- Great graphics on front design. Some oxidation of the metal. (See photos for details and condition). Preowned item being offered as is. No returns. United States Bedding was founded by Samuel Bronstein, a Russian immigrant, in 1898. Initially, he and his family worked out of their home in St. Paul, MN, but business grew, and they built a factory. Wanting to rebrand, they mounted a naming contest. The winner, Era Bell Thompson from North Dakota, suggested “King Koil” and won $25.