[1] In July 1923 it was announced that a new and independent currency (the gulden) was being established with the approval of the League of Nations finance committee to replace the German mark.

[2][3] Danzig, separated from Germany after World War I, was annexed by Nazi Germany on 1 September 1939, the day the invasion of Poland had begun[4] On the same day reichsmark coins and notes were declared legal tender alongside the Danzig gulden, with 1 gulden being equal to 70 reichspfennig (0.70 reichsmark).

To prevent abuse on 7 September the import of gulden coins and notes into the territory of the former free city was prohibited.

[7] With effect on 7 September 1939, coins of 1 and 2 pfennige became legal tender throughout Nazi Germany as 1 and 2 reichspfennige, and would remain in circulation until November 1940.

[8] The 1930 issue was essentially unobtainable until a large number appeared in the 1990s, apparently released from a Russian treasury where they had been stored since their capture at the end of World War II.