CCM Atlantic?

Hi, I recently obtained a 1945 CCM bike, serial number 5N2991.  It has 28x1 1/2 tires, painted rims and a non CCM crank set.  The rear hub is CCM 1937 and the front is Falcon.  The metal head badge is Atlantic Made In Canada. I don't see any information on this site regarding an Atlantic CCM model.  What have I got? Pics attached.

Atlantic is the bicycle brand, not the model name. CCM manufactured literally dozens of different bicycle brands. Some of these brands were owned by CCM but a large number were contract manufactured for other companies. Typically, these companies were automotive, department or hardware store chains. An example would be the Supercycle brand bicycle sold at Canadian Tire. The Supercycle brand is owned by Canadian Tire and their bicycles are all contract manufactured by various sources,as they do not own any factories. Some Supercyle were manufactured by CCM. 

Generically, your style of bicycle is referred to as a roadster. The presence of the Falcon hub and a cottered crankset with a non-logo chainwheel is indicative of what CCM installed on a low priced, budget model. CCM's equivalent budget brand around this time was Cadet. I suspect that Atlantic is a contract manufactured brand, likely for some maritime chain store. Hopefully, some of our east coast members will be familiar with it. 

While you serial number indicates 1945 manufacture, it quite high and likely a 1946 model manufactured late in 1945.

Thank you T-Mar, good information.