Yamaha U1 Upright Piano June 5, 2018 admin Upright Pianos, Yamaha Yamaha U1 Upright Piano Serial Number: 2909808 Finish: Ebony Polish Other pianos you might like...Mason & Hamlin Model B Grand Piano Mason & Hamlin Model B Grand Piano Serial Number: 94022 Finish: Ebony Polish Length 5'4" Yamaha U3A Yamaha U3A #3781669 ❮ ❯