DEAUVILLE, France--With a glinting sun, seagulls on the wing, and the occasional hint of a sea breeze, it is hard to imagine on this perfect spring day that there was ever anything wrong in the world. But it was three years ago that Arqana last held its Breeze-Up Sale at its rightful home in Normandy, with a prolonged pandemic twice forcing the uprooting of one of the most popular auctions of the year to Yorkshire. "It is good to be back here," says Freddy Powell, Arqana's executive director. "But we...