Dan Colen Bird Dropping Paintings Are Rising March 3, 2014 by Marion Maneker More charts from the mystery collector at White Walls Are Ugly More from Art Market MonitorRoerich Leads Bonhams £12.38m Sale with £7.9m Record PriceArtforum on the PrecipiceRegional UK Auction Spots HepworthLerner and Saliba Settle with Twombly EstateChristie’s Has $3m Frankenthaler Record-BreakerInternet is Changing Art