| Collectors have a wide variety of stamps to choose | | | | used in affixing machines or are sold in vending |
| from since almost every country in the world issues | | | | machines, which have straight edges on two opposite |
| stamps in number of different types and formats. | | | | sides and perforations on the other two. A coil line |
| Collectors may choose to create their collection to | | | | pair of stamps is a pair of stamps from a rotary coil |
| reflect their personal interests so that it shows their | | | | that show a colored line that causes a gap where the |
| own unique identity. | | | | printing plate was joined. A small book that contains |
| Some individuals collect commemorative stamps that | | | | stamps is known as booklet stamps, which are |
| are issued to remember a special event or individual, | | | | extremely convenient are are often sold through |
| which are only available for a limited time. The first | | | | vending machines. Booklet panes are panes of |
| commemorative stamp issued in the United States | | | | stamps that are cut and printed to be sold only in |
| celebrated the landing of Columbus in the New World, | | | | these booklets. Booklets stamps usually contain at |
| which was issued in 1869. Another type of stamp is | | | | least two of these panes. |
| the Se-tenant, which are two or more un-separated | | | | Stamped envelopes are a special type of envelope |
| stamps that have different designs or values. These | | | | where the postage stamp has been either embossed |
| types of stamps are usually part of a | | | | or preprinted onto the envelope. Collectors will collect |
| commemorative set of stamps, such as the 1987 | | | | these as either entires or as cut squares where the |
| issue of Flora and Fauna. | | | | stamp is cut out of the envelope where a square has |
| Airmail stamps is type of stamps that were issued | | | | been shaped from the margin. A postal card is |
| from by the United States from 1918 until 1993 for | | | | stationary that has been issued by the post office |
| any item that was delivered by air. In this type are | | | | and is similar to a postal envelope that has a stamp |
| the extremely popular 1930 Zeppelin stamps, which | | | | that has been preprinted or embossed onto the card. |
| were withdrawn from the market after only | | | | In 1934 Congress authorized Federal Duck stamps to |
| forty-one days. This is the reason these are the | | | | license hunters as a type of revenue to help maintain |
| most sought after airmail stamps available with the | | | | waterfowl life within the United States. Sales of |
| exception of the twenty-four cent Inverted Jenny | | | | these stamps were offered to collectors in 1935, |
| error airmail stamp of 1918. | | | | who prefer them in mint condition. These stamps are |
| Stamps that have been surcharged, overprinted, or | | | | attached to hunting licenses and issued by each state |
| inscribed with an extra charge with the addition to | | | | individually. Federal Duck Stamps are one of the most |
| the postage fee with the intention of obtaining funds | | | | popular collectible stamp with collectors. |
| for a variety of charities are known as semi-postal | | | | Revenue or tax stamps are attached to any |
| stamps. The United States has issued only two types | | | | documents, stock certificates, playing cards, tobacco, |
| of these stamps, which include the Heroes of 2001 | | | | etc. that shows a required government tax has been |
| that raised funds for the victims of the 9-11 attack | | | | paid. Definitive stamp are regular stamps that are |
| and the 1996 Breast Cancer Awareness stamp. | | | | used for regular postage and used for a number of |
| Coil stamps are long coiled strips of stamps that are | | | | years. |