Robert Mnuchin: Collector at Heart Evening Auction Could Realize $124.9m

3 min read · 29 Apr 2026

Brown and Blacks in Reds by Mark Rothko estimated at $70m (low) to $100m (high). Image courtesy of Sotheby's

No. 1 by Mark Rothko estimated at $15m (low) to $20m (high). Image courtesy of Sotheby's

Harleman by Franz Kline estimated at $12m (low) to $18m (high). Image courtesy of Sotheby's

Untitled XLII by Willem de Kooning estimated at $9m (low) to $12m (high). Image courtesy of Sotheby's

Louis XIV by Jeff Koons estimated at $7m (low) to $10m (high). Image courtesy of Sotheby's

Brown and Blacks in Reds by Mark Rothko estimated at $70m (low) to $100m (high). Image courtesy of Sotheby's

Mark Rothko Brown and Blacks in Reds (1957) is the highest-value lot announced by Sotheby's in its 'Robert Mnuchin: Collector at Heart Evening Auction' in New York on May 14.

Pre-sale low estimates total $124.9m.

Preview snapshot

11 works are for sale.
Estimates total: $124.9m (low) and $177.8m (high), excluding premiums.
0 lots have undisclosed estimates.

The highest-value lot announced is: Mark Rothko, Brown and Blacks in Reds (1957), which is estimated to sell for between $70m and $100m. The work is backed by a guarantee. It has been traded 3 times in the past.

Guaranteed lots

11 works are backed by guarantees, including: Mark Rothko, No. 1 (1949). It is estimated to sell for between $15m and $20m. It has been traded 7 times in the past.

Terms and definitions

Guarantees: Sometimes an auction house guarantees to pay a seller for a work, regardless of whether the bidding reaches the reserve price, a figure that is typically confidential.

All figures are accurate at time of publication.

Market

Exclusives

Mark Rothko

New York

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