Yamaha U3 Upright Piano March 19, 2018 admin Upright Pianos, Yamaha Yamaha U3M Upright Piano Serial Number: 3593862 Finish: Ebony Polish Other pianos you might like...Yamaha U2 Upright Piano Yamaha U2 Serial Number: 3117893 Finish: Ebony Polish Size: 50" Warranty: 5 Years Yamaha U3 Upright Piano Yamaha U3 Serial Number: 4618622 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯