Coins of 
Norway

Norwegian: Kongeriket Norge (Bokmål), Kongeriket Noreg (Nynorsk)

100 øre (single: øre) = 1 Norwegian krone (plural: kroner) [NOK]
Symbols: kr (krone)

Languages on coins: Norwegian
Alphabets on coins: Latin
Numerals on coins: Western Arabic
Alphabets on coins: Gregorian

Royal motto: Alt for Norge (Norwegian <--> English: All for Norway)

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Mint Marks

Det Norske Myntverket, Kongsberg (NOR), Crossed hammers

Privy Marks

Arne Jon Bakken (NOR), 1961-1980, "AB" or "AB*"

Ole R. Kolberg (NOR), 1981-1994, "K" or "K*"

Jan Erik Johansen (NOR), 1996-2001: "JJE"

Magne Flågan (NOR), 2002-2006, "MF"

Designer Marks

Nils Aas (NOR): stylized "NA"

Øivind Hansen (NOR): "ØH", "Ø.H."

Grazyna Jolanta Lindau (CHU): "GJL" (according to the mint, I don't see it)

Ingrid Austlid Rise (NOR): "IAR"

Ivar Throndsen (NOR): "I.T."

Jo Visdal (NOR): "J.V."

National identification and other marks

Coat of Arms

The coat of arms of Norway from 1814 to 1844 under the Swedish kings Karl II and Karl III Johan show an escutcheon decorated with a rampant lion holding a halberd. The escutcheon is crowned. 

Photograph of the national coat of arms of Norway between 1814-1844 as it appears on coins

Drawing of the national coat of arms of Norway between 1814-1844 as it appears on coins

The coat of arms of Norway since 1905 shows a red shield with a rampant lion holding an axe with a silver blade. The axe is the weapon used to kill St. Olav in the battle of Stiklestad in 1030. The escutcheon is crowned since Eirik Magnussen added it to the original coat of arms in 1280.

Photograph of the coat of arms of Norway as it appears on coins

Drawing of the coat of arms of Norway as it appears on coins

Monograms

King Karl XIV Johan of Sweden: "CXIV L: JOH"

The monogram of King Karl XIV Johan (1818-1844) shows a capital letter "C", the first letter of the English version of his given name of the king (his birth name is Jean-Baptiste Jules Bernadotte), and the letters "XIV" (Roman numerals for 14) and "L:" (maybe for the last letter of Karl). The monogram is completed with "JOH" for Johan. King Karl XIV Johan was also King Karl III Johan of Norway. Why the Swedish title is used on Norwegian coins, I don't know. 

King Haakon VII: Crowned "H" superimposed over "7"

The monogram of King Haakon VII (1905-1957) shows a capital letter "H" superimposed over the Arabic numeral seven (7). The "H" stands for the first letter of the given name (his birth name is Christian Frederik Carl Georg Valdemar Axel) and the "7" is the mark that he is the seventh king in his blood line to be named Haakon. Above the "H" and "7" a crown marks his royalty.

King Olav V: Crowned "O" surrounding "V"

The monogram of King Olav V (1957-1991) shows a capital letter "O", the first letter of the given name of the king (his birth name is Alexander Edward Christian Frederik.) Within the letter stands a Roman numeral "V" referring to the fifth in line with the name Olav. Above the letters a crown is placed to signify his royalty.

King Harald V: Crowned "H" superimposed over "5"

The monogram of King Harald V (1991-present) shows a capital letter "H" superimposed over the Arabic numeral five (5). The "H" stands for the first letter of his first name (Harald) and the "5" is the mark that he is the fifth king in his blood line to be named Harald. Above the "H" and "5" a crown marks his royalty.