Originally a tenor viola, the front is of pine of slightly wavy grain of medium width. The back is one-piece of maple, slab-cut, slightly flamed but with evident circular decorations.
The instrument's construction details are described: it was originally designed as a tenor viola, the front being pine wood with a wavy grain and medium thickness, while the back is made from a single piece of maple, cut into a slab shape, slightly flamed, and adorned with circular designs.