A cruet also known as a caster, is a small container to hold condiments such as oil, vinegar, mustard, pepper. Its shape and adornments will depend on the specific condiment for which it is designed. Cruets were made in silver, silver plate, ceramic and glass, and sometimes a combination of two materials, usually as a glass body with a silver or silver plated top.This item is an example of domestic tableware commonly used in the early t0 mid 20th century.An early Sheffield plate stand with four glass decanters. Two with silver lids and two with glass stoppers. Tray has very ornate design.cruet domestic table-setting sheffiels ashberry-philip