Timeline

• 21.05.1784
• Coinage law for the mainland Kingdom of Naples on the specifications for the Neapolitan Ducat; effective immediately (?):
  - Gold: Doppia of 6 Ducats at 197½ Neapolitan acini gold 21¾ carats (Ducat = 1'328.95mg AU fine)
  - Silver: Piastre of 1.2 Ducats at 612¾ Neapolitan acini silver 10 ounces (Ducat = 18'956.89mg AG fine)
  - AU : AG = 14.265
• 22.07.1785
• Ordinance [Dispaccio Patrimonale] on the assimilation of the Sicilian (Insular) Ducat to the Neapolitan coinage standards; effective immediately (?)
  - Gold: Doppia of 6 Ducats at 160 Sicilian cocci gold 21¾ carats (Ducat = 1'345.78mg AU fine)
  - Silver: Piastre of 1.2 Ducats (12 Tarì) at 476 Sicilian cocci silver 10¼ ounces (Ducat = 19'660.72mg AG fine)
  - AU : AG = 14.609
• 27.11.1794
• Ordinance [Prammatica] for the mainland Kingdom of Naples on the specifications for the Neapolitan Ducat; effective immediately (?):
  - Gold: Doppia of 6 Ducats at 197½ Neapolitan acini gold 21¾ carats (Ducat = 1'328.95mg AU fine)
  - Silver: Piastre of 1.2 Ducats at 618 Neapolitan acini silver 10 ounces (Ducat = 19'119.32mg AG fine)
  - AU : AG = 14.387

Timeline

• 19.05.1811
• Law [No. 975] of the (Napoleonic) Kingdom of Two Sicilies on the adoption of the French bimetallic standard (the Lira is also referred to as "New Tarì"); effective 01.01.1812 (de facto only in the Kingdom of Naples)
  - 18.10.1811: Decree [Nr. 1112] on the rating of the previous gold and silver coinage at 1 Neapolitan Ducat = 4.40 Sicilian Lire
  - 16.12.1811: Decree [No. 1166] on the rating of the previous subsidiary coinage.
• 01.01.1812
• Start of issuance ot the new coinage, the previous coins were not demonetized and prices were indicated in both currencies until 31.12.1812.

Valuation Regimes

• 1812-1814
• Metallic currency based on circulating gold and silver coins.

Timeline

• 18.08.1814
• Law [No. 2223] and decree [No. 2224] of the (Napoleonic) Kingdom of Two Sicilies on the abolition of the French bimetallic standard and re-introduction of the previous currency; effective immediately:
  - Gold coins were exchanged at a rate of 20 Sicilian Lire = 5.36 Sicilian Ducats
  - Silver coins were exchanged at 5 Sicilian Lire = 1.15 Sicilian Ducats.
• 20.04.1818
• Law [No. 1176] of the (Bourbonic) Kingdom of Two Sicilies on the introduction of the silver standard in both Naples and Sicily; effective immediately
• 06.03.1820
• Decree [No. 1908] on the abolition of previous Neapolitan and Sicilian (insular) currency names (other than Ducato, Grana and Carlino); effective 31.12.1820
• 1835-1836
• Production of subsidiary coinage denominated in "Grani Siciliani" at half the current Grain (in violation of the 1820 decree) at Palermo mint; not issued (and mostly destroyed)

Valuation Regimes

• 1814-1818
• Metallic currency based on circulating gold and silver coins. Base weights were the Neapolitan pound / 12 ounces / 600 acini at 320.759 grams and Sicilian pound / 12 ounces / 480 cocci at 317.368 grams.
• 1818-1859
• Metallic currency based on circulating silver coins, additional gold coins without fixed rate against silver. Base weight was the Neapolitan pound / 12 ounces / 600 acini at 320.759 grams.

Timeline

• 17.08.1860
• Laws [No. 159, 160] of the provisional government on the introduction of the Italian (Sardinian) Lira on the island of Sicily and reopening of the Palermo mint; effective 01.01.1861 (the mint was not re-opened). Rating:
  - Gold: Neapolitan Doppia (of 1749-1785) at 18.31 Italian Lire; Sicilian Decupla of (nominal) 30 Ducats at 129.89 Italian Lire
  - Silver: Neapolitan Piastra at 5.10 Italian Lire.
• 24.09.1860
• Decree [No. 71], made the Sicilian (insular) laws applicable to the entire former Kingdom of Two Sicilies; effective 01.01.1861.