1923 Air Post Surcharge with Error in Cliché
1923 Air post surcharge with error in cliché on upper right stamp in block.
A cliché or subject is an element on a printing base such as a denomination. Errors sometimes occur when a printing plate is damaged and a subject needs to be repaired. When an incorrect element is substituted for the desired one, it is sometimes called a "transposed subject," "substituted subject" or "substituted cliché." In the case of this block of 1923 Danzig air post stamps with surcharges, an incorrect denomination cliché (10000 mark rather than 50000 mark) was used for the stamp in the upper right corner.
"Danzig." Standard Postage Stamp Catalogue.
Williams, L.N. Fundamentals of Philately. State College, Penn.: American Philatelic Society, 1990.
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