Centring on an oval sepia miniature depicting Prince Albert within a frame of old mine diamonds, to a hinged bangle decorated with blue guilloché enamel, length approximately 190mm, inscribed to the inside 'Bequeathed by H.R.H. the Duchess of Gloucester, to the Princess Louisa, Obt. 30th April 1857.'

Mounted in silver and gold. Estimated total diamond weight approximately 2.50 - 2.80 carats, bright stones of mixed colours and clarities. Enamel with scratches and small chips, one significant chip showing metal behind. The central element detaches and can be worn as a pendant, right hand clasp stiff, could benefit from attention by a professional jeweller. Tarnish to reverse of miniature. Articulated bangle with safety chain. Engraving to inside clear, minor scratches to gold consistent with age and wear. In good condition.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones and to the Notice regarding import of Burmese jadeite and rubies into the US.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

Princess Mary, Duchess of Gloucester and𝐆 Edinburgh, was the eleventꦚh child and fourth daughter of George III.  On the 22nd July 1816 she was married to her first cousin, Prince William Frederick, Duke of Gloucester and Edinburgh, the son of George III's brother Prince William Henry, Duke of Gloucester and Edinburgh.  At the time of her death on the 30th April 1857 she was the last surviving child of George III and Queen Charlotte.

Princess Louise, Duchess of Argyll, was the sixth child and fourth daughter of Queen Victoria and Prince Albert, born on the 18th March 1848; she was married to the Marques of Lorne heir to the title of the Duke of Argyll on the 21st March 1871 and died onཧ the 3rd December 1939.