ABC News -- ABC's Whitney Lloyd reports from New York: A contemporary art collection that once adorned the boardrooms and offices of former-finance pillar and now-bankrupt investment bank Lehman Brothers sold at auction this week for $1.35 million -- doubling pre-auction estimates. Freeman Auctioneers of Philadelphia dispensed all 238 pieces in a sale that lasted six hours as at least 2,000 bidders jostled for one of Lehmans Depression-era sketches, landscapes or signed post-war works by David Hockney or Roy Lichtenstein. Lichtensteins blue-and-white striped Statue of Liberty print I Love Liberty was the top seller, raking in $49,000, smashing its estimated price of $25,000. Robert Indianas Polygons was expected to net $6,000. The gavel finally fell...