Yamaha C1 Grand Piano August 17, 2017 admin 5' - 6' Length, Brands, Grand Pianos, Yamaha Yamaha C1 Serial Number: 6297673 Finish: Ebony Polish Size: 5’3″ Warranty: 5 Years Other pianos you might like...Yamaha U3 Yamaha U3 #3281189 Yamaha U3 Upright Piano Yamaha U3 Serial Number: 3541779 Finish: Ebony Polish Size: 52″ Warranty: 5 Years ❮ ❯