Mother of Pearl on sale Inlay Belt Buckle

Hand Crafted Inlay of state of Minnesota made with Mother of Pearl by inlay artist Joseph on sale Phetteplace. Created in the 70's, this item is one of a small number of his state jewelry pieces. This piece is a belt buckle just under 3”long by 2” high. It measures 1/4” thick. Set in an unknown silver metal (stainless?).