A Joan Mitchell diptych and a rare stack by Donald Judd: our pick of the May auctions

The Art Newspaper highlights five major lots from New York's May 2025 auctions. Phillips offers Joan Mitchell's diptych 'Plain' (1989), estimated at $5-7 million, from the collection of late Miami art patron Tina Hills. Christie's presents Donald Judd's rare copper and red Plexiglas 'Untitled (Stack)' (1969), estimated at $10-15 million, from the Minimalist collection of the late Henry S. McNeil Jr. Sotheby's leads with Jean-Michel Basquiat's 'Museum Security (Broadway Meltdown)' (1983), estimated above $45 million, and Mark Rothko's 'Brown and Blacks in Reds' (1957), estimated at $70-100 million from the collection of late dealer Robert Mnuchin.

Sotheby’s May Auctions: Rothko’s $100M Masterpiece Headlines

Sotheby's is holding its most ambitious May auction series in New York, headlined by Mark Rothko's monumental painting *Brown and Blacks in Reds* (1957), estimated at $70–100 million. The sales include a dedicated auction for the collection of legendary dealer and collector Robert Mnuchin, valued at over $130 million, featuring works by Rothko, Franz Kline, and Jeff Koons. Other highlights include Jean-Michel Basquiat's *Museum Security (Broadway Meltdown)* (1983), estimated at over $45 million, and Willem de Kooning's *Untitled III* (1975), making its auction debut with a $25–35 million estimate. The series spans Modern and Contemporary art, with additional works by Pablo Picasso and Vincent van Gogh.

Zurich’s Galerie Philipp Zollinger Closes After 7 years

Galerie Philipp Zollinger in Zurich is closing after seven years, as announced by founder Philipp Zollinger on Instagram. Citing continued global instability and a lack of conditions necessary to sustain the gallery, Zollinger explained that despite his willingness to invest further, the market no longer supports growth. The gallery focused on Swiss and Scandinavian artists working in three-dimensional media, along with artists from Southeast Asia and the United States. Its final exhibition, a dual presentation of Renée Levi and Theo Eble, closed on April 18 at Galerie Mueller in Basel. The closure follows a previous move from a nomadic operation to a physical space on Rämistrasse, which shut in fall 2025 due to an unstable art market and shifting collecting trends.

The auction market breathes a sigh of relief – but not everywhere

Der Auktionsmarkt atmet auf – aber nicht überall

The article reports that the auction market is showing signs of fragile recovery in 2025, with Christie’s, Sotheby’s, and Phillips all posting mid-double-digit percentage increases at their London sales in March compared to the previous year. However, the article notes that the prior year was exceptionally weak, and underlying issues such as high debt levels, aggressive commission models, and unresolved succession questions continue to threaten the stability of the major auction houses.