'The World of Heidi Horten' May sale series realised a total of US$202M I CHF180M, surpassing the $163M / CHF145M low estimate for these three auctions. Pursuant to Mrs. Horten's wishes, all of the Estate's proceeds will be donated to a foundation that supports philanthropic causes, including medical research,children's welfare and access to the arts.

There was significant global activity across the three auctions, with 98% of all lots selling to bidders from Europe and the Middle East (50%), the Americas (28%) and Asia (22%).

Christie's has also committed to donate a significant portion of its commission to organisations that contribute to vitally important Holocaust research and education. It will be up to these organizations, if they so wish,to communicate about these donations.