Biography: Karl Karlsson (d. 1926) was a Swedish jeweler and silversmith who was producing silverware in England from 1903-1905. In 1902 he married British artist and designer Kate Joyce (Katie) Harris (1878-1949). Little is known of his work before marriage. His best known work was produced in collaboration with his wife. After 1905 production bearing his mark seems to have ceased. In later life he worked as a watchmaker.