Yamaha C5 Grand Piano June 9, 2017 admin 6' - 7' Length, Brands, Grand Pianos, Yamaha Yamaha C5 Serial Number: 5504066 Finish: Ebony Polish Size: 6’7″ Warranty: 5 Years Other pianos you might like...Yamaha GA1 Yamaha GA1 Kawai BS1A Upright Piano Kawai BS1A Upright Piano Serial Number: 2124869 ❮ ❯