2 When any parcel shall be so delivered, an increased rate of charge may be demanded. Notice of the same to be affixed in offices or warehouses.
When any parcel or package containing any of the articles above specified shall be so delivered, and its value and contents declared as aforesaid, and such value shall exceed the sum of ten pounds, it shall be lawful for such mail contractors, stage coach proprietors, and other common carriers to demand and receive an increased rate of charge, to be notified by some notice affixed in legible characters in some public and conspicuous part of the office, warehouse, or other receiving house where such parcels or packages are received by them for the purpose of conveyance, stating the increased rates of charge required to be paid over and above the ordinary rate of carriage as a compensation for the greater risk and care to be taken for the safe conveyance of such valuable articles; and all persons sending or delivering parcels or packages containing such valuable articles as aforesaid at such office shall be bound by such notice, without further proof of the same having come to their knowledge.