The Weinrich Brothers ~ Philadelphia PA ~ 1911 - Present- Weinrich Bros. Co. also had a branch in New York City. The Philadelphia firm was called H. Weinrich Company. This firm created great looking costume jewelry that was marked with several different hallmarks. The name "Marvella" was first used in 1911. In 1950 the name was changed to Marvella Pearls and changed again in the mid 1960s to Marvella, Inc.