A postage stamp is an adhesive backed label pasted on various postal articles such as postal cards and envelopes as an evidence of the pre-payment of fee for postal services. Government is issuing and selling postage stamps through various outlets including post offices. Postage stamps come in various sizes and shapes, with images and figures such as personalities, birds, animals, and flowers printed on them. They are also issued to respect very important personalities or national luminaries. You can also find postage stamps celebrating diverse geographical features and cultures. Animals and birds are the main theme of many of the postage stamps.

According to the usage, postage stamps are divided into Postage due stamps, Airmail stamps, express mail stamps, and special delivery stamps. Depending on the nature of the mail and the weight of the portal article, the value of postage stamps may vary. Usually the postage stamps carry information such as country name, value of the stamp, and year.