Timeline

• 28.03.1797
• Rating of the local accounting currency at 6 French Livres = 5¼ Guernsey Shillings (= 63 Guernsey Pence)
• 09.03.1813
• Ordinance on the demonetization of private tokens from Great Britain and Jersey which had entered during the coin shortage in the early 19th century (their import had already been prohibited by ordinance of 02.10.1809); effective immediately (?)
• 06.07.1816
• Rating of the local accounting currency at 6 French Livres = 4⁵⁄₆Guernsey Shillings (= 58 Guernsey Pence)

Timeline

• 27.04.1829
• Parliamentary resolution on the adoption of the French Franc as base currency at a rate of 24 French Francs = 20 Guernsey Shillings; effective immediately:
  - The pre-revolutionary French coins were demontized at 6 = 6 French Livres = = 55 Guernsey Pence until 01.04.1834 (originally 01.01.1834).
• 26.04.1830
• Parliamentary resolution on the issuance of copper subsidiary coins of 8, 4, 2, 1 Doubles; effective immediately
• 01.05.1848
• Ordinance, gives British coins and banknotes legal tender status at a rate of 1 Pound Sterling = 21¼ Guernsey Shillings = 25.50 French Francs; not implemented and repealed by ordinance of 21.01.1850
• 03.09.1870
• Ordinance, gives British coins and banknotes legal tender status at a rate of 1 Pound Sterling = 21 Guernsey Shillings = 25.20 French Francs; effective immediately
• 04.08.1914
• Ordinance on the issuance of government paper money by the government with dual denomination in Guernsey Pounds and French Francs; effective immediately

Valuation Regimes

• 1829-1921
• Fixed rate against French Franc (1795)

Timeline

• 30.03.1921
• Parliamentary resolution on the switch to British accounting and the demonetization of all circulating coins; effective 03.04.1921
  - Transformed into a law [Loi relative au changement du cours légal de la monnaie en cette Île et les Îles de Sercq, d'Herm et de Jethou] on 27.06.1921
• 1940-1945
• German occupation of the Channel Islands:
  - 07.08.1940: Ordinance, declares German banknotes and coins legal tender (on 15.08.1940 extended to the Reichskreditkassen); effective immediately
  - 03.09.1940: Rating 1 Guernsey Pound = 9.60 German Reichsmark
  - 29.09.1942: Rating 1 Guernsey Pound = 9.36 German Reichsmark
  - 08.05.1945: Demonetization of the occupation money and exchange at a rate of 1 Pound = 10 German Reichsmark; effective 23.05.1945.
• 07.07.1954
• Ordinance [Currency and Legal Tender] on the demonetization of private paper money and restriction of the issuance privilege to the Bank of England and the Guernsey government; effective immediately
• 11.12.1957
• Law [Bills of Exchange (Guernsey) Law] on the issuance of government paper money by the Treasury; effective 24.03.1958
• 1968-1971
• Decimalization of the sub-unit
  - 26.06.1968: Ordinance [Decimal Currency (Guernsey)] on the decimalization of the sub-unit; effective immediately
  - 28.10.1970: Ordinance [Legal Tender (Guernsey)] on the issuance of local subsidiary coinage; effective 15.02.1971
  - 17.12.1970: Law [Decimal Currency (Bailiwick of Guernsey)] on the implementation of the 1968 Decimal Currency Ordinance; effective 15.02.1971
  - 15.02.1971: Start of issuance of the decimal subsidiary coins denominated "New Pence", the non-decimal (British) coins were not demonetized
  - ??.??.1972: Ordinance [Decimal Currency and Legal Tender (Guernsey)], abolishes the "New" from the coin denominations; effective ??.??.1972.

Valuation Regimes

• 1921-
• Fixed rate against British Pound

Time Period: Alderney - 1921-