1912 Extremely Rare Vintage Mutual Street Arena Grand Opening Souvenir Program1912 Extremely Rare Vintage Mutual Street Arena Grand Opening Souvenir Program Grand opening program for October 7 12, 1912 performances Mutual Street Arena located between Dundas St. and Shuter St. was constructed in Toronto for a reported $500,000 in 1912 Primarily used for curling and ice skating. Home of the Toronto Maple Leafs until their 1931 move to Maple Leaf Gardens Billed as the largest indoor arena in Canada at the time and held about 7,500