Lot 148. A rock crystal vase, Qing dynasty, 18th century. Estimate: 5,000 EUR - 6,000 EUR. Photo Kunsthaus Lempertz A rock crystal vase of quatrefoil, baluster shape with dragon head and ring handles, and a small prunus branch carved under the rim. Two...

Lot 489. Property from the estate of Mary, Duchess of Roxburghe. Natural pearl, Burmese ruby and diamond choker, early 20th century and later. Estimate 30,000 — 50,000 CHF (28,302 - 47,170 EUR ). Lot sold 237,500 CHF. Photo Sotheby's. Composed of four...

Lot 491. Property from the estate of Mary, Duchess of Roxburghe. Ruby and diamond bracelet, second half of the 19th century. Estimate 59,000 — 79,000 CHF (55,660 - 74,528 EUR) . Lot sold 274,000 CHF. Photo Sotheby's. Composed of a rosette between tapered...

Lot 490. Property from the estate of Mary, Duchess of Roxburghe. Ruby and diamond tiara, second half of the 19th century. Estimate 78,000 — 98,000 CHF (73,585 - 92,453 EUR). Lot sold 100,000 CHF. Photo Sotheby's Designed as a series of foliate sprays...