Federal Administration: National Philatelic Exhibition at Aarau and 25th anniversary of Swiss air mail, Allegorical Figure of Flight 10c on 65c Gray blue & deep blue

Granite Paper, Sheet of 3, Redrawn, Wing tips 1 1/2mm from side frame lines, Overall size 37x20 1/2mm
- Country Switzerland
-
Denomination
?10c on 65cFace value of a stamp, usually printed on the stamps.β Glossary
-
Color
?Gray blue & deep blueOriginal catalog color of the stamp.
-
Print method
?Engraved and TypographedMethod of process of imprinting designs on paper.
-
Perforation
?11 1/2Holes punched between stamps to make separating easier.
-
Watermark
?UnwatermarkedA pattern embedded in a paper during stamp producing process.
-
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.