Stilwell Pianos Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Mason & Hamlin AA Grand Piano - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Size-6'2" Year Built-1915 New Soundboard. 1990. Duplex Scaling. Solid Spruce Soundboard. Wet Sand Casted Plate. Made in USA.