Meister Rubner Double Bass No. 66 4/4, Double Bass No. 66 4/4, Fully solid concert instrument in a violin shape, Solid selected German spruce top, Arched solid poplar back and sides, Inlaid purfling, Engraved machine heads made of brass by Rubner, Ebony fingerboard, Gold-brown spirit hand-applied varnish, Playing scale: 104.5 cm, Thomastik Belcanto stringing, D scale length, Made in Germany