Yamaha U3 Upright Piano December 13, 2016 admin 52" Height Upright, Brands, Upright Pianos, Yamaha Yamaha U3 Serial Number: 3447187 Finish: Ebony Polish Size: 52″ Warranty: 5 Years Other pianos you might like...Samick SG 172 Samick SG 172 8703907 Yamaha U3 Upright Piano Yamaha U3 Serial Number: 2518848 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯