Yamaha C5 Grand Piano December 2, 2016 admin 6' - 7' Length, Brands, Grand Pianos, Yamaha Yamaha C5 Serial Number: 4260079 Finish: Ebony Polish Size: 6’7″ Warranty: 5 Years Other pianos you might like...Yamaha C3E Yamaha C3E #4610732 Pearl River Upright Piano 46″ Ebony Satin as New Condition 5 Year Warranty ❮ ❯