Vintage Sterling Silver 1982 World's Fair Inlaid Turquoise & Coral Belt Buckle

This is a vintage 1982 World's Fair souvenir belt buckle featuring crushed stone/chip inlay artistry.  The oval buckle is crafted from sterling silver as indicated by the hallmark. The text WORLD'S FAIR is meticulously inlaid with bright blue turquoise chips, while the commemorative date 1982 is set with reddish-brown coral chips. The background showcases Western-style hand-engraved feather and scroll patterns common in Southwestern silversmithing  The CB stamp on the reverse represents the maker's mark or hallmark of the silversmith or manufacturer who produced it. In vintage Western and Southwestern silverwork, CB is a known stamp used on mid-to-late 20th-century artisanal belt buckles. Artist possibly Navajo designers Cea Brown or Charlie Bowie