Who do you work for? <a href="http://piesebarca.ro/supplementincelemecom-97fc.pdf">healthmed.gofmx.com</a> London-based Christie's on Tuesday said global sales hit 2.4 billion pounds ($3.6 billion) in the first six months, up 9 percent on a year ago, aided by the $58 million sale of Jackson Pollock's "Number 19" and as Asian bidders rose 15 percent.