Lawren Harris's "sketch" painting "The Old Stump, Lake Superior" sold for $3.51 million Thursday at the Heffel auction in Toronto, making it the second most valuable painting ever sold at auction in Canada. The sale overall realized $20,773,642.50, the second highest-grossing Canadian art auction in history. Tom Thomson's small sketch "Early Spring, Canoe Lake" brought $2,749,500, and 24 more records were set in the auction, which was dedicated to post-war and contemporary art.