Behind the Single-Owner Sale: How Sotheby’s Builds a Joe Lewis £200 Million London Auction — Guarantees, Irrevocable Bids, and What Collateral Lenders Actually Watch in June
Sotheby’s Modern Evening Auction Hammers $303.9 Million on May 19 — Matisse’s La Chaise lorraine at $48.4M Rebuilds the Top of the Modern Comp Table
