Silversmith: Rudolph Sondag, Silver mustard pot with blue glass inner box, mustard pot pottery holder silver glass, sawn cast engraved Egg shaped body with round constricted foot on square ground surface loop shaped ear hinged bell shaped lid with leaf bud notch in outer ring, blue glass inner container (). Body and lid cut open with symmetrical acanthus tendrils filing edges along the outer edge of the foot upper edge of the body of the lid and on the outside of the outer edge of the square base (debossed) serving the reuse