Art & Photography
$450,000 Gerhard Richter work leads sale of 'high quality and international scope'
A Felix Gonzalez-Torres's sculpture will also star in Christie's First Open auctionof contemporary art
Gerhard Richter's 'lost #2' skater artwork is expected to roll to $5m
Ahead of his 80th birthday expo at London's Tate Modern, a lost Richter masterpiece is for sale
