Money fix exchange rates in history/Monetary System Change

Hi,

I am looking for a information about money fixed exchange rates after wars or monetary system change. I am looking also for act of law or other documents where this rate were set and declared.

At this moment I am looking for information about:

1864-1871 what kind of money circulating in North Schleswig-Holstein (South Danmark Province) and what was a exchange rate or to Prussian Vereinsthaler or 1871 German mark (depence what was made)
1920 - exchange rate from German mark to Danish krone in this same province when was return to Danmark

- by Google I found info about Schleswig-Holstein specialthaler (only pictures of coin) that's why I ask about it (and Yes I know about coin collection from Sch-H at this page...)

1912 - turkish lira to italian liva on Dodecanese Islands
1943-1945 italian lira to british war money and greek new drachma

1940
Greek drachma to Bulgarian Lev on occupied terirtories
greek drachma to Ionina island drachma

1943 ionian island drachma to Reichsmark and to british war money and new drachma (1944-1945)

Can you help me with that subject?

Some of the answers are in the World Coins Chat articles: https://en.numista.com/forum/topic39496.html

Schleswig-Holstein: Prussian Vereinsthaler = 3 Mark (after 1873). 9 Danish Kroner approx equal to 10 German Mark, so Prussian Thaler was worth bit less than 3 Kroner.

In 1920 German Mark was devalued much more than Danish Krone, but no idea on exchange rate. Largest devaluation of German Mark would follow in 1923.

1912 Turkish Lira was around 22.5 Italian Lira (through Pound Sterling Exchange rates)


Italy 1943: £1 = 400 Italian Lire

Greece 1944: £1 = 600 New Drachmae

https://www.sdu.dk/~/media/FF593A9923D54EB7B5DED52C083E40F1.ashx

In Danish but page 66 has a table with Kroner to Mark exchange rates from 1914 to 1920.

For the rest: Speciethaler was 4 Kroner, so approx 4.5 Mark.