Pair of Dragons Facing Characters of Value. Denomination (Center) Inverted Error - 銭五百文前に立つの二匹の龍 500m Blue green

Native Laid Paper Without Gum, Denomination in Black, Plate I. Denomination (center) inverted.

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

500m
Color
?
Original catalog color of the stamp.

Blue green
Print method
?
Method of process of imprinting designs on paper.

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

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

Unwatermarked
Issue Date
?
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