Styptor is an alloy of pewter and silver. It was used during the late 1930s and 1940s primarily in the manufacture of minaudières when precious metals were in scarce supply. Frequently pieces manufactured with styptor had accents of yellow gold and gemstones.

Styptor Minaudiere.jpg

A Minaudiere in Styptor and Gold by Van Cleef & Arpels.
Photo Courtesy of Christie's.