Brief historical context
The house was founded in 1926 in New York by Miriam Haskell herself. From the early 1930s, Frank Hess joined as chief designer, and under his artistic direction, the firm defined its signature style: hand-assembled compositions with glass pearls (often Bohemian glass), faceted glass beads, cast rhinestones and gilded filigree on a metal base. Each piece is hand-strung by threading the pearls and filigree elements onto the supporting base; a time-consuming construction that structurally distinguishes the house from industrial contemporaries.
A substantial part of the production from the 1930s and early 1940s is unsigned; the house only systematically introduced the firm's signature after 1948. For the vintage market, this means that early unsigned pieces exist and that attribution in that period relies solely on construction and material pattern, with the associated caution.