For travel wholly between points in the U.S., United will not be liable for loss of money, jewelry, cameras, negotiable papers/securities, electronic/video/ photographic equipment, heirlooms, antiques, artifacts, works of art, silverware, irreplaceable books/publications/manuscripts/business documents, precious metals and other similar valuable and commercial effects. United prohibits the foregoing items being placed in checked baggage for travel wholly between points in the U.S. as well as for international transportation.