Each and every stamp prior to its appearance in the marketplace, irrespective of the characteristics and purpose, is actually undergoing a process to shape its final looks.
Right after accepting the suggestion of the right layout, which can be developed by artists, individuals, or made by a computer. Approved prints then are given back to the manufacturer, where main role is actually performed through engravers when making cliches.
When producing postage stamps, there are more factors which affect the last appearance of a particular stamp of which the most important are paper, color, rubber, printing types and perforation of stamps. The next text offers the essential information on these vitally important elements of each postage stamp.

The paper can be plain – The type of paper used for making books. Width is from 0.02 to 0.3 inches. The surface of the paper is usually sleek, mainly shiny. Based on the method of preparation can be hands or bulk manufactured.
Tough paper features fullness 0.02 to 0.03 inches. Tough surface occurs during stretching out paper on rollers whose surface is not smooth, and in that way various wrinkles happen to be projecting to the paper.
Cardboard paper is usually mostly white colored, seen as a denoted thickness to 0.5 inches. If there is a need for a much thicker paper, multiple sheets of very thin paper are glued to the proper fullness, which may be up to 0.6 inches.
The American Philatelic Foundation adds up that composition related to paper consists of a variety of monitors formed as lines or spots that can be noticed in the paper upon strong lighting. The traces appear in the course of manufacture of the paper there usually are several types of components: wire, line, dot and without noticeable structure.
Watermarks occur with inserting different symbols in the paper mass during the production of the paper. The basic purpose is actually limiting faking like in the paper money. Designs which show up as watermarks are usually varying, which range from text letters, figures, regal crowns, keys and similar.
Watermarking present in philately introduced the English post with the producing of the earliest postal stamps in 1840.
According to the placement watermarks may be upright, horizontal, and also diagonal placed. The particular appearance involving watermarks positioned complete opposite of the image on the postal stamps is also possible. On postage stamps that are on the edges of the layer is normal to see only part of the watermark, for the reason that a part of it remained at the margin of the sheet.
There are numerous techniques to determine water signs: the naked eye, using a variety of liquids and taking advantage of the sensor ends the American Philatelic Foundation is actually a non-profit organization in the United States that properly appraises postage stamp collection and in case you’ve got stamps that are not widespread or collections of postage stamps not evaluated, you may want to call us.

American Philatelic Foundation