https://tarisio.com/cozio-archive/browse-the-archive/makers/maker/?Maker_ID=2854
Mario Bandini worked in Italy in the 20th century. His intruments were highly regarded in Italy and often personally requested by professional players. He was awarded a medal at Begnacavallo for his work.
He makes double basses; in 1974 he was awarded a prize in Bagnacavallo.