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Stamp Glossary "D"A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Dandy Roll Wire-gauze roller which impresses the paper with its texture (wove,laid, etc.) as the pulp leaves the vats to produce watermarks in the paper. Dead country A country that has ceased existence as a political entity, and no longer issues stamps. Definitive Stamps Are issued for ordinary postal needs and placed on sale for an unlimited period as opposed to commemorative. By contrast with commerative, definitive stamps tend to be more generic in concept, and/or to have subjects that are relatively "timeless". Most importantly, definitive stamps tend to remain on sale for a longer period, and are not commemorating any particular thing. Demonetised Stamps Are withdrawn from circulation and declared void for postal use. Demonetised stamps sold to dealers, after overprinting with some device are termed Remainders. Design Error Errors by the artist in his original artwork. Die The original piece of metal or material on which the stamps design is first engraved before being reproduced to the printing machines. Die Proofs They are normally printed in black, from the engravers completed die, and submitted for official approval. Doctor Blade A flexible steel blade which is used to removes surplus ink from the printing cylinder on high-speed modern presses. Faulty operation can cause flaws of a non-constant nature on the printed stamps.
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