Stamp rarities in Postmuseum, Stockholm
Sweden: 8 skilling banco 1855, imperforated
Count Pehr Ambjörn Sparre designed, engraved and printed
the 1855 skilling banco series. He also designed a perforating
machine for sheet perforation. This was the first of its kind
in the world.
If too many stamp sheets were perforated at the same time,
the bottom sheet could remain entirely or partially imperforated.
Of the 8 skilling banco, only two imperforated copies
Donated by count Eric von Rosen, 1929.
Sweden: Ring type perf. 13, the 20/Tretio error,
This error was printed in 1879, when a damaged 20 öre
cliché was replaced with a spare cliché for the
30 öre stamp. The figures "30" were cut out
and replaced with the centre of a 20 öre cliché.
By mistake the text "Tretio" ("Thirty")
was not replaced.
6.000 sheets, with 100 stamps on each, had been printed and
partly distributed to local post offices when the error was
discovered. Some 970 of the 6.000 printed copies escaped the
Sweden: 5 öre Oscar II brown, 1891
King Oscar II, 5 öre in brown instead of green colour.
Plate proof from 1891 in the colour of the value 30 öre.
By mistake one of these proof sheets was bundled with some
normal 30 öre stamps from the first printing in sheets
distributed to foreign postal services.
The postal authorities in Germany notified the error and
it was found that fifty-five copies had been sent out to eleven
countries. Only about ten copies are known to exist today.
Sweden: Inverted surcharge on a 12 öre official stamp,
To clear the stocks of the 12 and 24 öre official stamps,
redundant after rate reductions at the end of 1884, these
stamps were overprinted with the value 10 öre.
Four sheets (200 stamps) of the 12 öre received an inverted
Donated by count Eric von Rosen, 1929