PRB is a vintage dealer specializing in a rotating selection of 20th-century designs sourced from Scandinavia, Italy, and the United States. A trusted supplier for many Experts, its curation of accessories provide the ultimate finishing touch to any space. This hand-carved ash bowl features a cast iron ball, and would have been used for grinding mustard seeds. Produced in Sweden in the 1960s, the maker is unknown but its base is signed.