Sotheby’s Mid-Season Contemporary = $12.2m September 21, 2012 by Marion Maneker More from Art Market MonitorSwiss Satellite ActionIt Was a Guaranteed Success at PhillipsDon’t Bet Against Oscar MurilloPolaroid Wants to Go to AuctionSotheby’s Shows Signs of Getting More Aggressive on Auction and Third Party GuaranteesWhat If Auction Guarantees Made Prices Better?