Yamaha GB1 Grand Piano October 16, 2017 admin 5' - 6' Length, Brands, Grand Pianos, Yamaha Yamaha GB1 Serial Number: 2318422 Finish: Ebony Polish Size: 5′ Warranty: 5 Year Other pianos you might like...Weber WG50 Weber WG50 #TG0022589 Kawai K50 Upright Piano Kawai K50 Upright Piano Serial Number: 2376154 Size: 49" Finish: Ebony Polish ❮ ❯