The Continental and Commercial Banks, Chicago, Illinois. Clean-cut banking. Banking services of a clean-cut, definite character, capable of handling with energy and understanding every phase of large financial matters, is one of the essentials in the successful development of the nation's business. The Continental and Commercial Banks, because of their financial strength, varied experience and complete organization, are able to offer to American business men that kind of banking service. 1922 advertisement. Click here to enlarge.