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20 kroner DENMARK (2013) Scientists - Niels Bohr

20 kroner 2013 Scientists - Niels Bohr - coins of Denmark
20 kroner 2013 Scientists - Niels Bohr - obverse to reverse alignment
diameter: weight: thickness: alloy:
27.0 mm 9.3 g 2.35 mm Cu92Al6Ni2
obverse:
in the coin centre head of Queen Margrethe II of Denmark facing right; along the top edge: MARGRETHE II DANMARKS DRONNING (Margrethe II Queen of Denmark); along the bottom edge year of issue: 2013
reverse:
in the coin centre a disk symbolising hydrogen nucleus; around it three schematic electron orbitals; on one of them a disk symbolising the electron; below a date: 1913; along the top edge: NIELS BOHR • ATOMTEORI (atomic theory); along the bottom edge face value: 20 KRONER
edge:
seven plain and seven reeded sections
issue date:
7 X 2013
withdrawal date:
still circulating
designer:
Lis Nogel
mint:
The Royal Mint mint mark Den Kongelige Mønt (The Royal Mint), Copenhagen (mint mark before DANMARKS on the obverse)
mintage:
2013 268 000
interesting facts:
Commemorative coin with face value of 20 kroner from 2013 commemorates the centenary of the publication by the Niels Bohr his theory of the atom. Niels Bohr (1885-1962) was a Danish physicist, Nobel laureate in physics in 1922 for his research on the structure of the atom. In his honor, the element with atomic digit 107 was named bohr.
thematic series:
The Danish series of thematic coins "Scientists" was launched to commemorate the centenary of the publication of the atomic model by Niels Bohr. Danes decided to show that Bohr was not the only Danish, who had part in the history of scientific progress. The thematic series includes:
20 kroner (2013) Scientists - Niels Bohr 20 kroner - Scientists - Niels Bohr (2013)
20 kroner (2013) Scientists - Hans Christian Ørsted 20 kroner - Scientists - Hans Christian Ørsted (2013)
20 kroner (2013) Scientists - Ole Rømer 20 kroner - Scientists - Ole Rømer (2013)
20 kroner (2013) Scientists - Tycho Brahe 20 kroner - Scientists - Tycho Brahe (2013)
last update: 10 XII 2013

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