One Mark 1990, Coin from Germany - detailed information

The obverse of the coin depicts, within a beaded circle, the Federal Eagle of Germany, being a one headed eagle, its head facing left, its wings open but with closed feathering.

All around, the legend · BUNDESREPUBLIK DEUTSCHLAND ·, meaning Federal Republic of Germany.

The mint mark of the mint which struck the coin is a small letter under the eagle's tail.

Mint marks used in this year were:
A for Berlin Mint
D for Bavarian Central Mint - Munich
F for Stuttgart Mint
G for Karlsruhe Mint
J for Hamburg Mint

Within a beaded circle, at centre of the reverse, a large numeral for the value: 1 between two small oak branches with two leaves and an acorn each; in two lines below that, the denomination DEUTSCHE MARK, under which the date: 1990.

After the reunification of Germany on 29 September 1990, the city of Berlin became part of the Federal Republic of Germany and also became its capital; before that, the city (excluding West Berlin) was the capital of the German Democratic Republic, known as East Germany. This is the first year when the Berlin Mint struck Deutsche Mark coins in this denomination (it was issuing Eastern Marks before).

Mintage comprised of (circulation coins + proofs):

Berlin (1990 A): 55,000,000 + 0
Munich (1990 D): 77,740,000 + 45,000
Stuttgart (1990 F): 89,700,000 + 45,000
Karlsruhe (1990 G): 51,720,000 + 45,000
Hamburg (1990 J): 79,830,000 + 45,000

Note that Deutsche Bundesbank provides a PDF file with mintages that differ from the above (figures seem to be rounded, and do not include proofs):
DM-Umlaufmünzen | Deutsche Bundesbank