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March 23rd, 2008 Posted in Glossary, Printing Processes

A photographic glass plate used in the production of the printing plate in photogravure printing.

Gravure
Another name for photogravure and similar printing processes operated under...
Retouch
Now mostly refers to minor corrections of flaws, made directly...
Head Plate
Where more than one plate is required to print the...
Key Plate
In stamps having the same design on all values and...
Coil Line Pair
A pair of U.S. coil stamps, showing a coloured line ...

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The Philatelic Database - Stamp Archive

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