Yamaha U1M Upright Piano March 5, 2018 admin Upright Pianos, Yamaha Yamaha U1M Upright Piano Serial Number: 3411575 Finish: Ebony Polish Other pianos you might like...Bosendorfer Grand Piano Black Polish Bosendorfer Grand Piano Black Polish 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" ❮ ❯