Yamaha U3 September 5, 2019 admin Upright Pianos, Yamaha Yamaha U3 #4118738 Other pianos you might like...Yamaha U1 Upright Piano Yamaha U1 Serial Number: 4121087 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Yamaha U1 Upright Piano Yamaha U1 Serial Number: 3413511 Finish: Ebony Polish Size: 48" Warranty: 5 Years ❮ ❯