TWO:"Oh, quite nice people, sir!""My story is quite simple," Bruce replied. "Some little time ago I bought a picture by J. Halbin. I gave a few pounds for it. Early in the evening of the day preceding the corner house murder I had a visitor. He was an elderly Dutchman, who gave his name as Max Kronin. He had heard of my purchase, and wanted the picture for family reasons. He offered me ��200 for it, and paid me in notes--the notes that are on the table there."