Here is a great picture of a men’s social gathering on the Normandie Roof in Montreal. A Google search tells me that the Normadie Roof was located in the Royal Hotel in Montreal.
My grandfather John Melody Dever is a part of this group of men. Grandpa appears to be in his late thirties so I am guessing the date of the photograph to be in the 1930s.
If you have a better guess on the date or recognize the people he was chumming with please let me know!

John (Jack) Dever 2nd from right
Normandie Roof opened in 1937.
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