Yamaha U1 Upright Piano December 2, 2016 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 2360869 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Kawai RX-2 Grand Piano Serial Number: 2480069 Finish: Ebony Satin Size: Warranty: 5 Years Yamaha U1 Upright Piano Yamaha U1 Serial Number: 3678697 Finish: Ebony Polish Size: 48" Warranty: 5 Years ❮ ❯