Yamaha UX3 Upright Piano March 19, 2018 admin Upright Pianos, Yamaha Yamaha UX3 Upright Piano Serial Number: 4188473 Finish: Ebony Polish Other pianos you might like...Yamaha U3 Upright Piano Yamaha U3 Upright Piano Serial Number: 2723121 Finish: Ebony Polish Yamaha U3A Yamaha U3A #4007698 ❮ ❯