A commemorative stamped design or inscription on an envelope, other than a cancellation or pre-printed postage.
A special characteristic or quality; prestige, especially via association.
A sealed envelope containing an item whose price is being negotiated.
A capsule containing a pharmaceutical preparation.
A hidden location from which one can observe birds while remaining unseen.
To mark (an envelope) with a commemorative stamped design or inscription.
Paper marked with a letterhead.
A portion of text at the top of a letter, identifying the sender and often giving their address etc., used for formal correspondence.