Mandatory Credit: Photo by Guy Bell/Shutterstock (11013356p) Gabriel de la Mora, 355,050 (176,500 + 178,550), 14,202 sides of 6,621 match boxes of 355,050 burnt matches, Executed in 2014, Estimate: L100,000-150,000, withMonir Farmanfarmaian, Drawing in Glass No. 3, mirror mosaic, Executed in 2009, Estimate: L250,000-350,000 - Christie's staff make final checks of Matters of Material, an Online-Only sale, as the second Coronavirus lockdown is now in place. The sale runs 11-24 November 2020. Christie's London, final checks of Matters of Material, an Online-Only sale as the second Coronavirus lockdown is now in place., King Street, London, UK - 12 Nov 2020