Old necessary to write 1900 in silver metal in box

Old writing kit dating from the 1900s in silver metal. This box includes a pen holder, a stamp, a pencil holder and a paper cutter. The whole in its original box. Box size: 8 X 25 cm. Good condition, wear of time, some places are penniless, to clean (see photos). For any information, do not hesitate to contact me.