In these statements there is probably a confusion between the diamond of Henrietta Maria, known later as that of Mary, Queen of Scots, and a diamond signet of Charles I, for such a signet is said to have been given to Bishop Juxon by Charles just before his execution. We have every reason to believe that Henrietta Maria bore her own signet with her when she left England. The ring containing this historic diamond was purchased at the sale of June 19, 1817, by Dr. Curry (probably James Curry, M.D., physician at Guy’s Hospital) for the sum of £90 6s ($450), although a contemporary letter states that the sum was £86, and adds that the stone itself was worth but £10. The ring was subsequently acquired by an agent, Van Prague, and after passing through several hands came into the possession of Mr. Leverson, a diamond dealer of Paris, who sold it to the Duke of Brunswick. At one time it was owned by the Earl of Buchan, and it was exhibited at Holyrood in 1843, when several rock crystal models were made of it. One of these served Mr. Fortnum as a standard of comparison for the identification of the Duke of Brunswick’s diamond. The stone is a table diamond and is engraved with the arms of England and France in the first and fourth quarters, with those of Scotland in the second quarter, and those of Ireland in the third. In 1887, on the occasion of Queen Victoria’s Jubilee, this signet was presented to the queen by Mr. Drury Fortnum, and it is now in the royal collection at Windsor Castle.[270] [Illustration: RINGS FROM THE COLLECTION OF THE IMPERIAL KUNSTGEWERBE MUSEUM, VIENNA 1 and 3, rings of Empress Eleonora, wife of Ferdinand III (1608–1657); enameled gold; Seventeenth Century. 2, gold ring said to have belonged to Mary of Burgundy, daughter of Charles the Bold, and wife of Maximilian I., Emperor of Germany. Bears an M formed of black diamonds and has twice on the inner side the monogram of Maria in Gothic capitals. 4, ring with miniature portraits of Emperor Mathias and his wife Empress Anne; enameled gold; 1612–1619. 5, (_a_) ring with watch by Johann Putz of Augsburg, and (_b_) lid made of an emerald on which the Austrian double-eagle is engraved; Seventeenth Century. 6, ring with a sun-dial, the lid representing a hedgehog studded with black diamond lozenges; Seventeenth Century. 7 and 8, two rings set with topaz; enameled gold; Sixteenth and Seventeenth Century. 9, bronze ring, with head of Christ in white enamel on blue ground, the hair being of gold; Seventeenth Century. 10, ring set with a rock crystal, engraved with the arms of an Austrian archduke. On the inner side is a sun-dial; Seventeenth century. 11, ring with a miniature portrait of Empress Claudia Felicitas; enameled gold.] [Illustration: IMPRESSION OF SIGNET. Double size linear. SIGNET RING, CHARLES I. Double size linear. SIGNET RING OF CHARLES I