A bespoke painted enamel panel created by American pop artist Roy Lichtenstein is coming up for sale with an estimate of $900k-$1.2m at the Contemporary Art Sale day at Sotheby’s New York. The work, Composition, was commissioned in 1969 by the late playboy art collector Gunter Sachs for his then wife, the French model and actress Brigitte Bardot. Previously exhibited in Hamburg, Munich and elsewhere, the piece in porcelain enamel on metal measures 24 by 771⁄2...

Sotheby’s Renaissance Revival collection was featured in the Magnificent Jewels auction in spring. Incorporating intricate enamel work, old mine diamonds, delicate seed pearls, ornate filigree and other enchanting details, the value of these pieces is dictated by the craftsmanship, magnificent, detailed designs and their historical significance. Originally popularised during the 19th century by master jewelers and goldsmiths such as Castellani and Giuliano, the collection is inspired by the classical antiquity unique to the Renaissance. These Renaissance inspired...