"Untitled (Franz)," a 2011 painting by Rudolf Stingel

"Untitled (Franz)," a 2011 painting by Rudolf Stingel

Gagosian Gallery via Bloomberg

"Untitled (Franz)," a 2011 painting by Rudolf Stingel. The work, part of a booth curated by Austrian artist Franz West (who is depicted in the Stingel portrait), was shown by Gagosian Gallery at the Frieze Art Fair in London, previewing on Oct. 12.