Yamaha C1 Grand August 18, 2017 admin 5' - 6' Length, Brands, Grand Pianos, Yamaha Yamaha C1 Serial Number: 6183833 Finish: Ebony Polish Size: 5’3″ Warranty: 5 Years Other pianos you might like...Yamaha C3 Grand Piano Yamaha C3 Serial Number: 5787981 Finish: Ebony Polish Size: 6'1" Warranty: 5 Years Yamaha U3 Upright Piano Yamaha U3 Serial Number: 3706197 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯