Knowledge Base
Engraved Printing
One of the oldest intaglio processes frequently used for stamp production is engraved printing, also known as line engraving.
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Flexography
Flexography is a modern form of relief printing named after its flexible printing plate. Modern photopolymer plates allow the process to reproduce fine detail and high-q…
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Letterpress Printing
Relief printing was widely used in the early production of postage stamps and is usually referred to as letterpress in philately. The raised parts of the printing surfac…
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Lithography
Lithography is the oldest and simplest form of planographic printing. The process is based on the principle that grease and water repel one another.
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Offset Printing
Offset printing is a planographic printing process and one of the most widely used methods in modern stamp production. The inked image is transferred from the printing p…
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Photogravure
In photogravure, the surface of the copper printing cylinder is etched with a regular screen of tiny cells of varying depth that hold the printing ink.
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