The artist and publisher Klaus Staeck, president of Berlin’s Akademie der Kuenste , wrote about 100 faxes to his friend Sigmar Polke over the years. Polke, who died last year, wrote him just three in return.
A sculpture of an inflatable dolphin by Jeff Koons sold for $5 million. A 1971 Sigmar Polke painting depicting purple monkeys, an alligator and a penis was snapped up for $4.5 million. An abstract painting by Joan Mitchell fetched $1.5 million.