Yamaha U1M Upright Piano March 26, 2018 admin Upright Pianos, Yamaha Yamaha U1M Serial Number: 3549131 Finish: Ebony Polish Warranty: 5 Years Other pianos you might like...Yamaha U1 4187051 Yamaha U1 #4187051 Schiller 132 Schiller 132 #C326355 ❮ ❯