Where is the serial number and the year located on cable nelson upright player piano?

On a Cable Nelson upright player piano, the serial number and year are typically found on a metal plate located inside the piano, often near the tuning pins or on the back of the piano. You may also find the serial number stamped on the wood frame or the action assembly. For the most accurate location, it's best to consult the owner's manual or look for any specific markings on the piano's interior.