Numerals 12pf Slate gray

Same, Overprinted Type “b”

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

12pf
Color
?
Original catalog color of the stamp.

Slate gray
Print method
?
Method of process of imprinting designs on paper.

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

14
Watermark
?
A pattern embedded in a paper during stamp producing process.
— Basic philately terms for amateurs

DEUTSCHE POST Multiple
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