Andreas Zeller Rumania 4/4 Violin for Stentor w Lark Case, Bow & Shoulder Rest. Length of back: 37cm. Based on these measurements and using resources online i can confirm this is a 4/4 full size adult violin. See photos for full details. This violin set is in good condition, used with minor markings but still a very nice violin for anyone to enjoy! Note: one of the strings has snapped a replacement string is needed.