Yamaha C5 Grand Piano April 9, 2018 admin Grand Pianos, Yamaha Yamaha C5 Grand Piano Serial Number: 5380220 Finish: Ebony Polish Warranty: 5 Years Other pianos you might like...Yamaha C7 Grand Piano Yamaha C7 Serial Number: 5870323 Finish: Ebony Polish Size: 7’6″ Warranty: 5 Years Mason and Hamlin B Mason and Hamlin B #94021 ❮ ❯