Timeline

• Duchy of Parma:
  - Accounting unit: Parman Lira at 210⅝ pieces to the Cologne mark fine silver (Lira: 1'110.29mg AG fine)
  - Real coins based on the Parma Thaler (Ducato) of 21 Lire.
• Duchy of Piacenza:
  - Accounting unit: Piacenza Lira at 175²⁵⁄₄₈ pieces to the Cologne mark fine silver (Lira: 1'332.35mg AG fine), equalling ⁶⁄₅ Parman Lire.
• Duchy of Guastalla:
  - Accounting unit: Guastalla Lira at 219⁷⁷⁄₁₉₂ pieces to the Cologne mark fine silver (Lira: 1'065.88mg AG fine), equalling ²⁴⁄₂₅ Parman Lire.

Timeline

• 21.03.1806
• Royal decree [No. 21] of the (Napoleonic) Kingdom of Italy on the adoption of the French bimetallic currency; effective immediately
• 21.12.1807
• Royal decree [No. 281] of the (Napoleonic) Kingdom of Italy on the ratings:
  - Accounting unit: 183.481 Italian Lire = 756 Parman Lire (= 630 Piacenza Lire = 787½ Guastalla Lire)
  - Silver coins: Parman Ducato at 5.02 Italian Lire
  - Gold coins: Parman Doppia at 21.41 Italian Lire.
• ??.11.1809
• French ordinance, changes the rating of the former accounting unit to 240 French Francs : 1'009 Parman Lire (French Franc = 4 Lire 4 Soldi 1 Denaro); effective immediately (?)

Timeline

• 22.07.1819
• Ducal decree on the introduction of the currency in the French bimetallic standard; effective immediately
• 27.12.1829
• Ducal decree on the ratings; effective immediately:
  - Accounting unit: 1 Parmesan (New) Lire = 5 Parmesan (Old) Lire
  - Silver coins: Parmesan Ducato at 5.15 Parmesan (New) Lire
  - Gold coins: Parmesan Doppia at 21.92 Parmesan (New) Lire.

Valuation Regimes

• 1819-1859
• Metallic currency based on circulating gold and silver coins.