According to the website below it was made in 1933. Hope this helps! http://www.bluebookofpianos.com/serial1.htm
Cable Piano Co. was in business from 1881 to 1938 (note that "Cable -Nelson" pianos was much later). Their list of serial numbers is in the attached link, below.
Serial is needed
Winchester Model 1906 22 shorts serial # 7035 Looking for age & price fair condition
Lexmark SERIAL CABLE serial or parallel adapter