Sweden – back of the book issues

Airmail semiofficial
 File:Sweden semioff air.jpg|1912 semiofficial 
 * In 21 September 1912, an experimental airmail flight was held, carried from Stockholm and dropped at Tureberg. Mail required Swedish postage and were cancelled with a special CDS.
 * In 1937, a 25th anniversary flight was held, the previous design overprinted Silverjubileét 1937 diagonally and used with Swedish postage.

Computer vended/ATM issues
 File:Sweden Frama 1991.jpg|1991 Frama type File:Sweden Klussendorf.jpg|1992 Klüssendorf type 
 * In 1991, Frama designs were issued with a yellow pattern underprint
 * In 1992, a Klüssendorf design was issued.

Military letter reply issues
 File:Sweden mily reply.jpg|1941 or 1942, white paper File:Sweden green reply A.webp|1943 or 1960, type unknown 
 * Beginning in 1929, postal stationery envelopes for use by soldiers on active duty had a gummed stamp printed on the back for a return mailing to a soldier. They were in black on thin paper and inscribed SVARSMARKE.
 * In 1930, a blue version was issued with FÄLTPOST added to the sides. This was called the Norrköping issue I.
 * In 1939, a printing from hard rubber plates was issued on brown paper, now with rouletted lines around three sides of the stamp. This was the Nybros Issue I.
 * In 1939, a type with uneven rouletting in the corners was released, known as Nybros Issue II.
 * In 1939-40, a cleaner litho printing was made, with interesting subvarieties like narrow or wide margins or a combination of dots and lines in the rouletting. These were the Norrköping Issues II.
 * In 1941-42, stamps were printed on either brown or white paper, both having a security pattern on the back following the rest of the inside of the originating envelope. These were Norrköping Issues III.
 * In 1943-60, a new design of three crowns (only) was issued in green. There are 14-15 small shading lines in the crowns. There are three subtypes based on period of issue.
 * In 1963, a version printed in aniline ink by rubber plates was issued, with 7-8 shading lines in the crowns.

Official issues
 File:Sweden 1874 10o official.jpg|1910 10ö value File:Sweden 20o small offic.jpg|1912 25ö value 
 * In 1874-77, large format coat of arms designs were issued, perf 14.
 * In 1881-93, the same designs were issued in perf 13.
 * In 1889, two values were surcharged in new values in a draped ribbon between two crowns.
 * In 1910-14, small arms in a crowned shield design was issued on crown watermark paper.
 * In 1911-19, the previous designs were issued on wavy lines watermark paper.

Postage due issues
 File:Swed 30o due.webp|1874 30ö value 
 * In 1874, postage due stamps were issued inscribed LÖSEN, perf 14.
 * In 1877-82, the previous designs were issued perf 13.

Other
 File:Sweden businees reply.jpg|Not really a postage stamp, this was included in mailings for recipients to reply to sales offers (business reply mail). Postage was then paid by the sender as postage due. 

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