4-H emblem and rice - 4H会徽和大米 $3.20 Green

Without Gum

Country China
Denomination
?
Face value of a stamp, usually printed on the stamps.
— Glossary

$3.20
Color
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Original catalog color of the stamp.

Green
Print method
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Method of process of imprinting designs on paper.

Engraved
Perforation
?
Holes punched between stamps to make separating easier.
— Basic philately terms for amateurs

12
Watermark
?
A pattern embedded in a paper during stamp producing process.
— Basic philately terms for amateurs

Seal Character
Issue Date
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Date inscripted on a stamp or cancellation for used stamps not necessary correspond to real date of stamp issue.
#
?
Catalog number of stamp.
— Basic philately terms for amateurs