Box of 12 old cast steel knives

Set of 12 old table knives (probably 1930s) in cast steel and horn-look handles. With silver metal ferrules. 24cm long. These knives remain in good condition despite stains of blackened steel. They are delivered in their original box, imitation crocodile exterior and red silk interior with the inscription mme emile jean, romorantin cutlery. The box has stains and friction.