Hatching System
The system of heraldry has two main methods to designate the tinctures of arms in uncolored illustrations: hatching and tricking. Hatching, i.e. patterns of lines and dots, is the most common method to designate colours on uncoloured surfaces, like engravings, seals and coins.
The present day hatching system was developed during the 1630s by Silvester Petra Sancta and Marcus Vulson de la Colombière. Some earlier hatching methods were also developed, but did not come into wide use.
Read more about Hatching System: Origins, Dispute of Petra Sancta and De La Colombière, Contribution of Engravers To Development, Other Hatching Systems, Additional Tinctures, Other Modern Usages
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