Yamaha U2 Upright Piano September 28, 2016 admin 50" Height Upright, Brands, Upright Pianos, Yamaha Yamaha U2 Serial Number: 2729176 Finish: Ebony Polish Size: 50″ Warranty: 5 Years Other pianos you might like...Yamaha UX50B1 Upright Piano Yamaha UX50B1 Upright Piano Serial Number: 4696573 Finish: Ebony Polish MASON & HAMLIN MODEL 50 UPRIGHT PIANO EBONY SATIN MASON & HAMLIN MODEL 50 UPRIGHT PIANO EBONY SATIN FINISH HIGH PERFORMANCE UPRIGHT MADE IN BOSTON USA ❮ ❯