Yamaha U1 Upright Piano December 2, 2016 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 2360869 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Yamaha U3 Upright Piano Yamaha U3 Serial Number: 4008400 Finish: Ebony Polish Size: 52" Warranty: 5 Years Kawai BS40 Upright Piano Kawai BS40 Serial Number: 1794925 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯