Yamaha C5 Grand Piano October 23, 2017 admin 6' - 7' Length, Brands, Grand Pianos, Yamaha Yamaha C5 Serial Number: 5344215 Finish: Ebony Polish Size: 6’7″ Warranty: 5 Years Other pianos you might like...Yamaha UX1 Yamaha UX1 #4017764 Yamaha U3-X Upright Piano Yamaha U3-X Serial Number: 4189716 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯