The proposed sell-off of the historic Polaroid Collection has moved a step closer to reality with the announcement by Sotheby’s of dates for the auction: June 21-22, 2010. If the sale does go through as planned and on schedule, it will take place well after the spring art-market season has come and gone and the art and photo worlds have closed up shop for the summer — not to mention in the midst of a deep global recession that has hit the art market hard and the photo market especially hard, with no immediate improvement on the event horizon. […]