Yamaha C1 Grand Piano December 6, 2016 admin 5' - 6' Length, Brands, Grand Pianos, Yamaha Yamaha C1 Serial Number: 5788009 Finish: Ebony Polish Size: 5’3″ Warranty: 5 Years Other pianos you might like...Knabe Grand 6’4 Ebony Satin Knabe Grand 6'4 Ebony Satin Yamaha U3 Yamaha U3 #2618301 ❮ ❯