 From then on, he worked at it fairly steadily, despite a few interruptions, until March 14, 1937, when the sittings numbered 396.Nineteen sittings were done beginning June 27 and then a long break until September 20, after which, in a flurry of activity, he added another fifty sittings.He painted the final object in his picture, a pale blue rose, between October 30 and November 1, on which day he wrote in his journal that the picture was done.