Yamaha GA1 November 20, 2019 admin Grand Pianos, Reconditioned, Yamaha Yamaha GA1 Other pianos you might like...Yamaha C5 Grand Piano Yamaha C5 Grand Piano Serial Number: 5380220 Finish: Ebony Polish Warranty: 5 Years Yamaha U3 Upright Piano Yamaha U3 Serial Number:3243804 Finish: Ebony Polish Size: 52" Warranty: 5 Years ❮ ❯