This is not the first time that the publisher has produced something other than books. Over the past few years, it has developed several collector’s editions, including original prints by Jeff Wall and Martin Parr. This is, however, Phaidon’s first experience selling a three-dimensional design object — always a risky venture, especially in uncertain economic times. “We are just crazy enough to do this,” said Emilia Terragni, Phaidon’s editorial director. “But the vase is such great quality, a serious piece. And Hella has enough collectors who would want something so special.” The price of the vase, which will be announced on Monday on Phaidon’s Web site, is sure to be serious, too.