James Rottman Fine Art highlights an exceptional A.Y. Jackson painting of Lake Superior dated 1925 with provenance dating back to Dr. James M. MacCullum, an important early patron to the Group of Seven. James Rottman Fine Art highlights an exceptional A.Y. Jackson painting of Lake Superior dated 1925 with provenance dating back to Dr. James M. MacCullum, an important early patron to the Group of Seven.James Rottman2019-09-16T11:34:57-04:00