TORONTO (For Immediate Release) – A rare 100-year-old portrait by Tom Thomson is going up for auction online. Consignor Canadian Fine Art says Daydreaming is a portrait of artist Thoreau MacDonald, the son of Group of Seven member J.E.H. MacDonald. The auction house dates the work to sometime between 1913-1915, a few years before Thomson’s untimely death in 1917. Consignor says “Daydreaming” represents a rare portrait by Thomson, who is best known for painting landscapes of northern Ontario. It estimates the work could fetch between $200,000 and $250,000.