STEINWAY & SONS O GRAND PIANO SPECS. Type: Rebuilt & Refinished Grand Piano. The item "1911 Steinway & Sons Model O Grand Piano" is in sale since Monday, May 10, 2021.This item is in the category "Musical Instruments & Gear\Pianos, Keyboards & Organs\Pianos\Grand & Baby Grand Pianos". The seller is "pianomansuperstore" and is located in College Park, Maryland. This item can be shipped to United States.