Yamaha U1 Upright Piano December 21, 2016 admin 48" Height Uprights, Brands, Upright Pianos, Yamaha Yamaha U1 Serial Number: 3065121 Finish: Ebony Polish Size: 48″ Warranty: 5 Years Other pianos you might like...Knabe Grand Piano Knabe Grand Piano Serial Number: 103935 Finish: Walnut Satin Size: 6' Warranty: 1 Year Kawai US-50 Upright Piano Kawai US-50 Serial Number: 1301324 Finish: Ebony Polish Size: 50" Warranty: 5 Years ❮ ❯