The bringing together, for the benefit of others, of precious metals and their alloys, goods in precious metals or coated therewith, jewelry, precious stones, horological and chronometric instruments, diamonds, gold, silver and rings, excluding the transport thereof, enabling customers to conveniently view and purchase those goods by means of mail order catalogs; The bringing together, for the benefit of others, of precious metals and their alloys, goods in precious metals or coated therewith...