Sotheby's Contemporary Discoveries featuring The Collection of Bob Monk Auction Totals $6.25m

Sotheby's Contemporary Discoveries featuring The Collection of Bob Monk Auction Totals $6.25m

3 min read  ·  09 Oct 2026

Red Sky by Ed Ruscha sold for $537,600. Image courtesy of Sotheby's
Red Rhino and Horse (Cave #94) by Elaine de Kooning sold for $179,200. Image courtesy of Sotheby's
Tondo by Nick Cave sold for $128,000. Image courtesy of Sotheby's
Anne's Robe by Jim Dine sold for $121,600. Image courtesy of Sotheby's

Red Sky by Ed Ruscha sold for $537,600. Image courtesy of Sotheby's

A work by Ed Ruscha was the headline sale at Sotheby's 'Contemporary Discoveries featuring The Collection of Bob Monk' auction on October 1-8 in New York.

  • The sale totaled $6.25m, meeting the pre-sale estimate.

Snapshot of the sale

  • 277 works sold totaling $6.25m.
  • Estimates totaled: $5.8m (low) and $8.44m (high), excluding premiums.
  • The sell-through rate was 83% of the original 334 lots announced.

The star lot was: Ed Ruscha, Red Sky (2001), which sold for $537,600, 115% above its $250,000 low estimate. It has not been traded before.

Untitled by Brook Hsu sold for $28,200 (1308% above estimate). Image courtesy of Sotheby's

Untitled by Brook Hsu sold for $28,200 (1308% above estimate). Image courtesy of Sotheby's

The outperformer sold for 1308% above its low estimate. Brook Hsu, Untitled (2021), sold for $28,200 ($2,000 low estimate). It has been traded once in the past.

  • 93 works, or 34%, sold above their high estimate.
  • 86 works, or 31%, sold within their low and high estimate.
  • 98 works, or 35%, sold below their low estimate.
  • 0 sold with undisclosed estimates.

Guaranteed sales

4 works were backed by guarantees, including: Mike Bidlo, Ma Jolie (Woman with a Zither or Guitar) (1987). It sold for $32,000, 60% above its $20,000 low estimate.. It has been traded 3 times in the past.

Works that did not sell

49 works were bought-in, including: Manolo Valdes, La Banda Negra (Felipe IV) (1984), estimated at $120,000 (low) to $180,000 (high). It has been traded once in the past.

Withdrawn before the sale

8 works were withdrawn before the sale, including: Hilary Pecis, Sculpture Court (2017), estimated at $100,000 (low) to $150,000 (high).

Terms and definitions

All results include the fees and premiums added to the price of a work of art when the auctioneer's hammer falls. Sale prices are compared to the auction house’s low estimate, which do not include premiums.

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.

Bought-in: If there are no bids for a work, or if bidding falls short of the reserve price, the lot is unsold or “bought-in”.

Withdrawn: This happens when a seller decides, for whatever reason, to withdraw a work before the bidding begins.

Premiums: Typically a sliding-scale of charges paid in addition to the hammer price by the buyer, plus any other fees.


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