The liability of the hotel or innkeeper for personal baggage, as defined in §62-7-105, shall be limited under all circumstances and conditions to an amount not exceeding one hundred fifty dollars ($150), unless a written contract is entered into involving a greater liability between the proprietor of a hotel or inn and the guest, which limitation of liability and requirement of written contract for greater liability shall be contained in the notice required to be posted by the proprietor of the hotel or inn in a conspicuous manner in the lobby or office of the hotel or inn.