Postal materials

Any items or parts of items used to communicate between people by a system established to bulk smaller items into lots across distances for a fee. Such fees may take the form of a paper receipt e.g. a stamp. Anything which facilitates such a dispatch aver a distance not normally carried personally between a sender and a recipient. This may include the accoutrements of a mail runner or delivery agent, or a mechanised process, such as pneumatic post across a city.