1940's sterling silver Cowboy Boot pin with blue turquoise stone hallmarked "UITA 22". UITA 22 is attributed to Manuelito Trading Post (Dean Kirk).
United Indian Traders Association (UITA) was formed in 1931 for the express purpose of ensuring the authenticity of Native American Indian crafts on the Navajo, Hopi and Zuni reservations.
The UITA stamp was created for the first time in 1946 to hallmark. Users of the stamp had to abide by regulations and pay an annual fee. Some examples of the regulations were that the turquoise could not be treated or enhanced and that casting and die-making was required to be completed by Indians and no mechanization could be used except for cleaning and polishing.
The minimum purity was 900 fine for the silver content.
2" high x 1" wide