London Marquee Week Day Sales Surge 106% Year-on-Year in June 2026, Best Since 2022

London's Marquee Week day sales in June 2026 rebounded strongly, achieving a total hammer sale value of £44.1 million — a 106.4% year-on-year increase and the highest June day sale total since 2022. The Zabludowicz Collection at Christie's was a major contributor, combining live