Yamaha U1 Upright Piano September 11, 2017 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 2442054 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Yamaha U1 Yamaha U1 #3436106 Kawai Console Piano Kawai Console Serial Number: 278324 Finish: Ebony Polish Size: 42" Warranty: 5 Years ❮ ❯