TTO 0133 Miriam Haskell Screw Backs Button shaped Miriam Haskell screw-back earrings with a spiral motif. Baroque pearl centres and surrounds. The earrings are signed on the clip. The earrings measure 7/8" in diameter. Miriam Haskell (July 1, 1899-July 14, 1981) was an American designer of costume jewelry. Like Hattie Carnegie, Haskell founded her own company, one that still bears her name. With her creative partner Frank Hess, she invented affordable pieces of stunning originality from 1920 through the 1950s. Vintage examples and samples of Miriam Haskell designs are now much sought, held in both private collections and museums internationally