Sotheby’s Spring sales of Modern & Contemporary Art have just concluded, having realised £154.1m / $206.6m across four sales, with standout results seen across categories and price points. Private collections and stellar works – many unseen on the market for decades – proved a real focus for international collectors, many of whom travelled to London especially for this first bellwether season for the market. This week’s strong results were underpinned by a rich seam of supply, greeted with enthusiasm by collectors. The season was anchored by four works from The Lewis Collection, long unseen on the market and shining a strong fresh light on the School of London. The sales also saw standout results for further works by Alberto Giacometti, Constantin Brancusi, Anselm Kiefer, Vilhelm Hammershøi, Andy Warhol and - not least - David Hockney. The week also