Of négligée design, suspending two pearl drops each surmounted by a millegrain-set circular-cut diamond and a  rose-cut diamond set cap, to a fine platinum chain.

Cf: Lebensbilder aus Schwaben und Franken, F. Berner, Louis und Eduard Hallberger, Bd. XV, 1983.

Metal tested as platinum and gold. Please refer to report for details on the pearls, drops slightly baroque shaped, white colour with grey overtone, overgrowth marks and blemishes but overall good lustre. Diamonds estimated to weigh approximately 0.90 (gauged in mounting) and 0.25 carats respectively, I-J colour, I clarity. Length approximately 565mm. Scratches to metal. Signs of wear commensurate with the age of the piece. 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."

Provenance:
Helene Freifrau von Reitzenstein-Zoppaten (1853 – 1944), née von Halberger, married in 1876, Carl Friedrich Freiherr von Reitzenstein (1846-1897), the owner of the estates Reitzenstein and Issigau. Carl Friedrich Freiherr von Reitzenstein was Royal Württemberg Chamberlin and  Obersthofmeister to Queen Charlotte of Württemberg.

Helene Freifrau von Reitzenstein was the second daughter of the Stuttgart publisher Eduard von Hallberger, the company is now know as, 'Deutsche Verlags-Anstalt'.
After the death of her husband, Helene spent most of her time at the Villa Reitzenstein, which she had built for herself and which is now the official residence of the Prime Minist𒊎er of Württemberg.  Af🐽ter the sale of the Villa in 1922, she retired to Bavaria, where she died in 1944.