Switzerland – back of the book issues

 Under construction  

Franchise stamps
 File:Switz internee mail.jpg|1871 internee mail etiquette. File:Switzerland Franchise A.jpg|From the 1911-20 series. File:Switzerland Franchise B.jpg|From the 1927 series (white granite paper). 

Official stamps
These are the officials for the Swiss government.  File:Switzerland FRANCO.jpg|1910 version. File:Switz cross perfin.jpg|1935 official perfin; unconfirmed if genuine. File:Switzerland cross official.jpg|1938 official stamp. File:Switzerland dam official.jpg|From the 1950 series. 
 * In 1910, typeset stamps inscribed FRANCO with a circle for the originating postmark. These were released up to 1928, with different framelines, slightly different sizes and different typefaces/fonts.
 * In 1935, definitives were punched with a cross perfin. Forgeries are known.
 * In 1937, the engraved definitives were punched with a cross perfin. Forgeries are known.
 * In 1938, contemporary definitives were overprinted with a cross.
 * In 1942, contemporary definitives were overprinted Officiel diagonally in script.
 * In 1950, the 1949 definitives were similarly overprinted.

War Trade Board
Be aware that there are forgeries of both issues. Adding to that problem is the preference by collectors for CTO cancels on these issues since the usual postal cancels are badly or heavily struck.  File:Switz war board thin.jpg|5c serifed (thin) overprint. File:Switz war board thick.jpg|7½c sans-serif (thick) overprint. 
 * In 1918, definitives were overprinted Industrielle / Kriegs- / wirtschaft in serifed (thin) letters. Clandestine reprints are essentially impossible to tell apart from the originals.
 * That same year, definitives were also overprinted with the same inscription in san-serif (thick) letters. Forged cancels are quite common.

Pro Juventute forerunners
In 1912, 3 values in different colors and language inscriptions were issued to begin the Pro Juventute youth charity program. These are considered semiofficial.  File:Switz semiofficial semipostal.jpg|German inscription 

Postage due stamps
 File:Switzerland blue due.jpg File:Switzerland green due.jpg File:Switzerland due Green red.jpg 

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