Yamaha U1 Upright Piano December 20, 2016 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1M Serial Number: 3601425 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Yamaha U30 Yamaha U30 #4918594 Yamaha U30 Upright Piano (w/ Silent Play System) Yamaha U30 A Upright Piano with silent play system Serial Number: 5029463 Finish: Ebony Polish Size: 52" ❮ ❯