SEMI-POSTAL: September 21, 1999 Earthquake Relief - 附收赈捐: 1999年9月21日抗震救灾 $25+$25 Multicolored

Sheet of 2, B17a-B17b; has simulated perforations
- Country China
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Denomination
?$25+$25Face value of a stamp, usually printed on the stamps.— Glossary
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Color
?MulticoloredOriginal catalog color of the stamp.
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Print method
?LithographedMethod of process of imprinting designs on paper.
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Perforation
?ImperforateHoles punched between stamps to make separating easier.
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Watermark
?UnwatermarkedA pattern embedded in a paper during stamp producing process.
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Issue Date
?Date inscripted on a stamp or cancellation for used stamps not necessary correspond to real date of stamp issue.
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#
?Catalog number of stamp.