2-piece European Maple (A. pseudoplatanus) Violin/Viola back. Excellent Grade. Beautiful wood.  Matching ribs included.   Viola outline shown is about 240mm at lower bout. Cut 2018.  Note that this back set has a width of 314mm and a length of 475mm.  The included ribs are 455mm long (4) and are 50mm wide. Min. Billet Dimensions: 24mm x 9mm cross-section (each side) 157mm wide x 475mm long (overall dims)