Yamaha C7 Grand Piano – Ebony Satin May 25, 2017 admin 7'+ Length, Brands, Grand Pianos, Yamaha Yamaha C7 Serial Number: Finish: Ebony Satin Size: 7′ 6″ Warranty: 5 Years Other pianos you might like...Yamaha U3 Yamaha U3 Yamaha U1 Upright Piano Yamaha U1 Serial Number: 4121087 Finish: Ebony Polish Size: 48″ Warranty: 5 Years ❮ ❯