Antique trade furniture - oak filing cabinet - 1930s/40s

Superb old oak filing cabinet dating from the 30s/40s. Beautiful size and beautiful patina for this drawer cabinet composed of: a flat drawer at the top, with an original brass plate bearing the inscription: industrial furniture - emile maurin - lyon), a brass knob-handle and two brass label holders. Inside this drawer, 3 rows for filing cards, with their wooden card clamps, removable by slide and lockable by butterfly screw. Below, 4 large drawers with wooden handle and label holders, all equipped inside with removable wooden dividers on a splashback. The whole is in excellent condition, we will note all the same some marks on the top (see photo).