Oral, Mother of Pearl shell, Turquoise and Spiny Oyster. The buckle measures 2 1/2" tall by 3 1/2" across. It is signed RB and Navajo. The buckle has a very nice patina and is very smooth to the touch. All of the inlay is in great condition.The loop at the back will fit a belt up to 1 3/4 wide. We guarantee all of our Native American Indian items to be AUTHENTIC American Indian traditional arts. To see more vintage Native American jewelry. This item is in the category "Collectibles\Cultures & Ethnicities\Native American: US\1935-Now\Jewelry". The seller is "gwhitetrading" and is located in this country: US. This item can be shipped to United States, Ireland, Netherlands, Sweden, Iceland, Belgium, Israel, Switzerland, Austria, Norway, Greenland, United Kingdom, France, Denmark, Vatican City State, Canada, Japan, Finland, Luxembourg, Germany.