Double filing cabinet with sliding curtains in oak circa 1920-1940

Double filing cabinet with sliding curtains in oak circa 1920-1940. It opens on the front with two sliding box curtains made up of a multitude of thin beveled wooden strips and decorated with octagonal pull handles. The curtains are topped with round brass keyholes and accompanied by keys in the shape of openwork clovers and the whole rests on plinths. The paneled sides frame an interior made up of numerous height-adjustable shelves. The curtains slide well but they are ajar on the upper parts dimensions: height: 180 cm length: 86 cm width: 35 cm.