Switzerland – back of the book issues

Franchise stamps
 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: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. 
 * In 1918, definitives were overprinted Industrielle / Kriegs- / wirtschaft in serifed 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 letters. Forged cancels are quite common.



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

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