The 15th annual Box Art Auction benefiting East End Hospice will be held Sept. 12 from 4:30 to 7 p.m. at the Ross School Lower Campus Field House in Bridgehampton. For those who wish a sneak peek, the boxes are on view today from 10 a.m. to 4 p.m. at Hoie Hall at St. Luke’s Episcopal Church in East Hampton.