Signing of Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance: Stalin and Mao Tse-tung - 中苏友好同盟互助条约签订纪念: 斯大林和毛泽东 $2000 Dark blue
- Country People`s Republic of China
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Denomination
?$2000Face value of a stamp, usually printed on the stamps.— Glossary
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Color
?Dark blueOriginal catalog color of the stamp.
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Print method
?EngravedMethod of process of imprinting designs on paper.
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Perforation
?14Holes 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.
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SP
Special Peculiarity:
Paper of originals appears bright under ultraviolet lamp. That of reprints looks dull.
