Walter Mahr Viola Quinton Model "Usignolo Canterino" 16" / 40,5cm, 5-string viola made in Germany by master luthier Walter Mahr in Bubenreuth, the "Quinton model" viola features an additional e-string expanding the tonal range of the viola to the higher frequencies of the violin, solid spruce top, maple back and sides, maple neck, ebony fingerboard, ebony tailpiece with one adjuster, Wittner fine-tuning pegs, Pirastro Obligato strings, antiqued brown spirit varnish.

Walter Mahr Viola Jacobs Model "Usignolo Canterino" 16" / 40,5cm, made in Germany by master luthier Walter Mahr in Bubenreuth, the "Jacobs model" viola features a wider lower bout providing unique and more assertive low frequencies, solid spruce top, maple back and sides, maple neck, ebony fingerboard, Wittner fine-tuning pegs, Pirastro Obligato strings, antiqued spirit varnish.