Types and varieties of Swiss Postage Stamps: Airmail Stamps.

1924 – 1937. Airmail stamps: Icarus. Printed in letterpress in sheets of 25 (5X5) on two types of paper.

TYPES
65 cents, light blue
I Switzerland 1924 airmail stamp types Type I:

  • eight thin lines in letter V of HELVETIA.

Type II:

  • seven thicker lines in letter V of HELVETIA.

 

April 1938. Airmail stamps from 1924/37 overprinted with new value in black color.

TYPES
10 c. of 65 c., light blue
Ia, Ib,
IIa, IIb		 Switzerland 1938 airmail stamp type 1 thin overprint Switzerland 1938 airmail stamp type 1 thick overprint
Thin and thick overprints on Type I stamp
Switzerland 1938 airmail stamp type 2 thin overprint Switzerland 1938 airmail stamp type 2 thick oveprint
Thin and thick overprints on Type II stamps		 Type:

  • Ia: Type I stamp, thin overprint,
  • Ib: Type I stamp, thick overprint,
  • IIa: Type II stamp, thin overprint,
  • IIb: Type II stamp, thick overprint.

 

CONSTANT VARIETIES OF BASIC STAMPS
I Switzerland 1938 airmail stamp plate flaw
Another example		 Colored triangle on the horizontal line in letter A in HELVETIA. ?

 

POSSIBLE CONSTANT VARIETIES ON BASIC STAMPS (not mentioned in literature)
1 Upper right wing broken on top. Switzerland 1924 airmail stamp error

 

COINCIDENTAL VARIETIES
1 Out of register. Switzerland 1938 airmail postage stamp error out of register

 

1 September 1944. Airmail stamps. Printed in letterpress in sheets of 25 (5X5).

POSSIBLE CONSTANT VARIETIES (not mentioned in literature)
10 c.
1 Colored spot on the propeller. Switzerland, postage stamp error airmail stamp
40 c.
1 Colored dot in the center of zero. Switzerland 1944 airmail stamp error

 

2 May 1947. Airmail stamps, first flight of Swissair from Geneva to New York. The stamp was valid only on the Geneva-New York flight of 2 May, 1947

CONSTANT VARIETIES Field number
I Switzerland 1947 airmail postage stamp plate flaw Bluish spot below fuselage. 9 (partially)

 

Bibliography

  1. Michel Schweiz/Liechtenstein-Spezial 2003/2004, Schwaneberger Verlag, GMBH, München. ISBN 3-87858-365-6