197. When advance and delivery are not simultaneous.

The delivery of a chattel must be in pursuance of the contract, but the advance and delivery need not be contemporaneous. Thus a pledge1 may be perfected by delivery after the advance has been made2; and where goods are delivered for appraisal with a view to making an advance on the security of the goods, there is a good delivery for the purpose of making a pledge whenever that pledge should be created