Federal Administration, Physicians: Auguste Forel (1848-1931), psychiatrist 20c Bluish green

Violet Fibers, Fluorescent Paper
- Country Switzerland
-
Denomination
?20cFace value of a stamp, usually printed on the stamps.β Glossary
-
Color
?Bluish greenOriginal catalog color of the stamp.
-
Print method
?EngravedMethod 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.
-
Price
-
Price
Same series stamps
-
Federal Administration: Alexandre Yersin (1863-1943) Bacteriologist
-
Federal Administration, Physicians: Jules Gonin (1870-1935), ophthalmologist
-
Federal Administration, Physicians: Robert Koch (1843-1910), German bacteriologist
-
Federal Administration, Physicians: Frederick G. Banting (1891-1941), Canadian physiologist