Antique WILLIAM ADAMS 30320 SILVER PLATE & COBALT GLASS mustard pot / salt cellars from england 1900-40’s (estimated). This set includes: 1 Mustard pot, 1 Square salt cellar, 1 Rectangle salt cellar and a spoon. They are all in good condition compared to the age. Size: Mustard pot- 3×1.7/2″, Rectangle salt cellar-2.5×1.7/1.3″, Square salt cellar- ..