The old Masonic Hall on Yonge Street. Built in 1888, restored in 1972.
Photos and research care of Mark Moore.
MASONIC BLOCK, Yonge Street at Gloucester Street, a row of seven stores, apartments and Masonic Hall for Alex Patterson, now called Gloucester Mews, 1888; renovated and restored 1972 (Telegram [Toronto], 26 April 1888, 2, t.c.)
A more current view by mmmighty_atom.