Vintage Marius Banjoline from the 1940's - 1950's. The sound box is in good condition, as is the arm. A few strings are missing, but all of them should be replaced for a better result. The sound box has a diameter of 26 cm and a height of 9 cm. The arm is 41 cm long, and the total length is 63 cm. In beautiful vintage condition with no damage! Mandolin-banjo by Marius brand, unfortunately, this company no longer exists, and there are few manufacturers left of this banjo-mandolin, an instrument that was quite popular around 1950. A mandolin-banjo, also called a banjoline or manjo, is a stringed instrument that plays like a mandolin but sounds like a banjo.