Yamaha U1 Upright Piano October 23, 2017 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 2770915 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Yamaha C7 Yamaha C7 #5231526 Yamaha U3 Upright Piano Yamaha U3 Upright Piano Serial Number: 3244755 Finish: Ebony Polish Size: 52" ❮ ❯