I'm intrigued by the part where you (@bananaseat) talk about this Montreal Favorit bicycle distributor near Highway 40 as a possible Russian espionage front from the Cold War era. I found a link between Montreal and Chekoslovak spies on a CIA archive site. This is an interesting article which demonstrates to what extent the city was a place of choice to avoid the gaze of the Americans without compromising the espionage work. Was the store on Cavendish Boulevard really a base of the USSR government? I will not be able to confirm this information easily I believe. But is a very interesting hypothesis. Here is the CIA article I'm talking about: https://www.cia.gov/readingroom/document/cia-rdp90-00965r000604920015-8