Yamaha C7 Grand Piano August 16, 2017 admin 7'+ Length, Brands, Grand Pianos, Yamaha Yamaha C7 Serial Number: 4620745 Finish: Ebony Polish Size: 7’6″ Warranty: 5 Years Other pianos you might like...Yamaha U3H Yamaha U3H #2802925 Steinway Model S Grand Piano Crown Jewell 5'1 LIKE NEW CONDITION CROWN JEWELL WALNUT 3 YEAR WARRANTY ❮ ❯