Yamaha U1 Upright Piano May 2, 2018 admin Upright Pianos, Yamaha Yamaha U1 Upright Piano Serial Number: 5853603 Finish: Ebony Polish Other pianos you might like...Yamaha UX3 Upright Piano Yamaha UX3 Upright Piano Serial Number: 4143161 Finish: Ebony Polish Size: 52" Yamaha U2 Upright Piano Yamaha U2 Upright Piano Serial Number: 3937819 Finish: Ebony Polish ❮ ❯