This is a Norwegian Sterling Silver & Enamel brooch or pin, designed by Willy Winnaess for David-Andersen in the 1950's, with full hallmarks for Norway Sterling (including makers marks for both D-A and WW), & with additional Swedish import Silver marks.
This is an early George VI period, hand chased Silver expanding bangle, made by the Birmingham silversmiths Joseph Smith & Sons, & fully hallmarked for Chester 1937.