338 THE DIAMOND
was
exhibited in the Paris Exposition of 1867. In the Streeter & Co.
collection was an old marquise ring which formerly belonged to Marie
Antoinette. On an oblong diamond in the center was engraved " Marie."
Old
records show that on January 16, 1628-9, £267 was paid to Francis
Walwyn for cutting, polishing and engraving the arms of Charles I with
the initial letters of the Queen on each side, upon a diamond. This was
the signet of Queen Henrietta Maria. There is another of Walwyn's, a
signet ring of Charles I when he was Prince of Wales, in the collection
of gems at Windsor Castle. It has the Prince of Wales' plume of
feathers cut in it