A Beautiful Post Medieval Silver Bifacial Cross Pendant; ex Sir Francis Cook Collection sub-Antiques The hydrate of sodium sulphate

The hydrate of sodium sulphate is known as Glauber's Salt after the Dutch/German chemist and apothecary Johann Rudolf Glauber (1604–1670)

Slight tanning overall

blues and ivory

The flag of New Zealand was introduced in 1869 and adopted as the national flag in 1902

or "the King's Jack"

A Beautiful Post Medieval Silver Bifacial Cross Pendant; ex Sir Francis Cook Collection sub-Antiques The hydrate of sodium sulphateOrigin: English Period: Mid Nineteenth Century Provenance: Silk collection, London, UK; ex Czechoslovakia auction, Kolekce Malych Krizu PI. Refordove, a collection of 87 cross pendants from the collection of Mrs R. W. Reford, the collection originating in the course of the 1920's in England; ex francis Mallet, Malllet & Son, New Bond Street, London; ex Sir Francis Cook (1817 1901) collection, 1st Baronet, British merchant and art collector. Date: 1840