The top floor is home to such moderns as Georgia O'Keeffe, Alexander Calder and Franz Kline.

ECONOMIST: Art of the Americas

While prices have risen exponentially, several pieces by top artists including Franz Kline and Jeff Koons failed to find buyers.

FORBES: 'New Era' For Art Markets As Collectors Drop Half A Billion At Christie's Contemporary Sale

Art-historical references to such abstract painters as Franz Kline, Kasimir Malevich, Piet Mondrian and Mark Rothko pass through the stage pictures.

WSJ: A Puppeteer's 'Rite' of Passage | Basil Twist | By Robert Greskovic

New records were also set for Franz Kline and Jean-Michel Basquiat.

BBC: Jeff Koons' Tulip

It appears that it will all come down to the quality of their major pieces, which this year include works by Mark Rothko, Jackson Pollock, Franz Kline, and the always entertaining Andy Warhol.

FORBES: Christie's And Sotheby's Going For Their Biggest Auctions Ever As Art Market Stagnates