2026 Fall New-York Marquee Auctions Joan Mitchell     Auction Results Green Book of Barbara Guest, 1960 Vision: The Extraordinary Collection of Theodore and Ruth Baum Sotheby’s New-York: 16 November 2026 Estimated: USD 12,000,000 – 18,000,000 Joan Mitchell | Green Book of Barbara Guest | Vision: The JOAN MITCHELL (1925 – 1992) Green Book of … Continue reading Joan Mitchell