Allen & Overy advises on $20 billion January 01 1999 X LinkedIn Email Show more sharing options Copy Link URLCopied! Print X LinkedIn Email UK law firm Allen & Overy advised Citibank Credit Structures on the launch of new secured debt programmes with a total value of $20 billion. Unlock this content. The content you are trying to view is exclusive to our subscribers. To unlock this content: Take a Free Trial or Login