Sotheby’s sold a yellow-and-blue Mark Rothko abstract from 1954 for $46.5 million on Tuesday. The following night, archrival Christie’s International hollered back by selling a rust-colored, rectangular version that Rothko painted four years later for $82 million.

Dealers said Christie’s Rothko, “No. 10,” was prized in part because its blurry brown and black hues famously matched the somber mood of the artist at that time in his career. It sold to a telephone bidder.