Can you help me identify this circular saw?

Hi, I got a industrial Sears Craftsman circular saw that I am interested in finding out the year it was made and what it is worth. Weird thing is, I can't find this saw anywhere online. Specs: Industrial, 2 hp, 7 1/2" blade, 5500 rpm, double insulated Model no 315.11670 Can you tell me anything about this saw? Thank you
Asked Jan 18, 2016

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