Yamaha U3-X Upright Piano June 7, 2017 admin 52" Height Upright, Brands, Upright Pianos, Yamaha Yamaha U3-X Serial Number: 4069329 Finish: Ebony Polish Size: 52″ Warranty: 5 Years Other pianos you might like...Yamaha U1 Upright Piano Yamaha U1 Upright Piano Serial Number: 4176441 Finish: Ebony Polish Size: 48" Yamaha C5 Grand Piano Yamaha C5 Grand Piano Serial Number: 5380220 Finish: Ebony Polish Warranty: 5 Years ❮ ❯