The conceptual artwork has an estimated value of between $1 million and $1.5 million at Sotheby's auction on Nov. 20.
NEW YORK — Walk into any supermarket and you can generally buy a banana for less than $1. But a banana duct-taped to a wall?
From a blockbuster Ed Ruscha trophy to Elizabeth Peyton's portrait of icon Kurt Cobain, here are highlights of the upcoming ...