Yamaha U1 Upright Piano August 18, 2017 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 2370898 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Yamaha U3 Yamaha U3 #2618301 Kawai US65 Upright Piano Kawai US-65 Upright Piano Serial Number: 1644690 Finish: Ebony Polish ❮ ❯