Timeline

• 22.01.1843
• Ordinance on the rating of the debased Latin American silver coins at 9 Pesos "Macuquina" = 8 Pesos (full-weighted); effective immediately
• 05.05.1857
• Ordinance on the demonetization of the debased "Macuquina" coins within 90 days; effective 05.07.1857
• 27.11.1884
• Ordinance on the countermarking of foreign silver coins (stamp: Fleur-de-Lys) except for the Mexican Pesos and demonetization of the unmarked coins after 01.04.1885; effective immediately
  - By error, also some foreign copper coins were countermarked.
• 17.03.1894
• Ordinance on the withdrawal of the countermarked foreign silver coins and exchange into Mexican Pesos; effective 25.03.1894

Timeline

• 05.05.1888
• Royal decree on the a 25 years' concession for the "Spanish Bank of Puerto Rico" with issuance privilege for paper money; effective upon constitution of the bank on 01.02.1890.
  - 06.06.1900: Resolution of the US Congress on the confirmation of the 1888 concession as "Bank of Puerto Rico"
  - 01.07.1904: Issuance of paper money in US currency (the notes were already counterstamped with denominations in US Dollar)
  - 05.05.1913: Expiry of the concession and take over of the business by the "Commercial Bank of Puerto Rico"
  - 16.01.1916: Final call for the withdrawal of the paper money until 24.01.1916 (the notes could still be redeemed until the liquidation was completed by end 1925).
• 28.06.1895
• Law on the creation of a provincial currency for Puerto Rico; effective immediately
• 16.08.1895
• Royal decree on the issuance of exchange certificates ("billetes de canje") for the withdrawal of the Mexican coinage; effective 06.12.1895
• 06.12.1895
• Royal decree on the issuance of silver and subsidiary coins with denominations in Puerto Rican Peso = 5 Spanish Pesetas; effective immediately
  - No gold coins were to be issued, Spanish gold coins carried a 20% premium, i.e. 25 Spanish Pesetas = 6 Puerto Rican Pesos)
  - Mexican silver coins were demonetized immediately, they could be exchanged with a 5% reduction, i.e. 1 Mexican Peso = 0.95 Puerto Rican Peso, until 27.02.1896 (?).

Valuation Regimes

• 1895-1898
• Identical to the Spanish Peseta.

Timeline

• 20.01.1899
• Presidential decree (based on the report "The Currency Question of Porto Rico" by Robert B. Porter) on the introduction of the US currency at 1 US Dollar = 1⅔ Puerto Rican Pesos; effective 01.02.1899.
  - Rating: 25 Spanish Pesetas (gold) = 4.82 US Dollars, 20 French Francs (gold) = 3.86 US Dollars; 1 Puerto Rican Peso (silver) = 0.60 US Dollar.
• 12.04.1900
• Organic Act ["Foraker Act"] for Puerto Rico, §11 stipulated the withdrawal and demonetization of the Puero Rican coinage within 60 days (i.e. until 31.07.1900) at the Rate of 1 Puerto Rican Peso = 0.60 United States Dollar; effective 01.05.1900
• 10.11.1902
• 20 years' concession [No. 6484] for the "First National Bank of Porto Rico" with issuance privilege for paper money; effective upon constitution of the bank on 01.01.1903.
  - Closure of business and liquidation on 08.09.1911.