Wm. Knabe & Co. brand, manufactured in Baltimore. The serial number 59536 puts it at 1905-1910 from what I've found online so far. Wood is a beautiful burled walnut, the photos don't do it justice. In certain lighting it looks 3D. Might be best upcycled, the burled walnut is gorgeous, and the aged Spruce sound board can be used to make other musical instruments like guitars, ukeleles, etc. Not ...