The Uruguayan 1 Peso coin, minted in silver between 1878 and 1895, represents one of the most fascinating chapters in South American numismatics. These coins emerged during a period of monetary modernization, when the Uruguayan government contracted foreign mints to meet the demand for circulating currency. Minting took place at the Monnaie de Paris, the Santiago Mint (Chile), and the Buenos Aires Mint, each with its own distinct characteristics and mintages.
The French steamship Paraná , destined for the route between Europe and South America, was carrying a shipment of Uruguayan silver coins minted in France when it sank off the coast of Brazil in 1877.
1878 – the mythical “Weight of the Shipwreck”
The year 1878 marks the most singular milestone in the entire series. Uruguay's 1 Peso coin of that year is known as the "Shipwreck Peso ," a name that directly alludes to an exceptional maritime event. Its minting was commissioned to the Monnaie de Paris following the shipwreck of the French steamship Paraná , a packet-type steamer belonging to the Compagnie des Messageries Maritimes , which specialized in the transatlantic transport of mail, passengers, and valuable cargo between Europe and South America. During its fifth voyage on the Bordeaux–South America route, the Paraná ran aground off the coast of Brazil, near Bahia, in October 1877, its hull breaking in two without causing any casualties.
Among the lost cargo was a shipment of Uruguayan silver coins minted in France , intended to supply the national currency. Although part of the shipment was recovered in the months following the shipwreck, many of these coins showed signs of oxidation and tarnishing due to their time at sea. As a result, the Uruguayan government rejected their inclusion in circulation and authorized their return to France to be melted down . Numismatic sources indicate that 43,200 coins were melted down after the salvage operation , a fact that explains the extreme scarcity of coins associated with this event and which gave rise to the historical designation "Shipwreck Peso ," linked to the 1878 issue.
uCoin image by Monetka
1893 – Santiago (Chile): “flat-top 3” variants and overdate
In 1893, the Uruguayan government authorized another issue at the Santiago Mint. The Uruguayan 1 Peso coin of this year is distinguished by the design of the number three in the date, which appears with a flat top ("flat-top 3"). There is also a variant with the overdate 1893/73, in which the three of 1893 is superimposed over a seven. The total mintage reached 499,980 pieces, making these variants relatively rare and highly valued among collectors. The design retains the national coat of arms on the obverse and the legend "LIBRE Y CONSTITUIDA" (Free and Constituted) on the reverse.
uCoin image by PupsXaxatyn
1893 – Buenos Aires: the “round-top 3”
Production of the 1893 issue was also transferred to the Buenos Aires Mint due to quality issues in Santiago. This Uruguayan 1 Peso coin features a rounded "round-top 3" number three and is visually distinct from the Chilean issue. 600,000 pieces were minted, a larger number but still limited for the circulation needs of the time. This variant remains a sought-after coin due to its contrasting design and its place in Uruguayan monetary history.
uCoin image by Eric
Taken together, the Uruguayan 1 Peso coin series between 1878 and 1895 reflects a complex process of monetary consolidation marked by extraordinary circumstances, technical decisions, and emergency solutions. From the exceptional episode of the "Shipwreck Peso" to the 1893 issues produced by various mints, each date demonstrates how logistical, technical, and political factors directly influenced the availability and variations of these coins. This historical context explains why certain issues are considered rare and highly valued today, not only due to their limited presence in the market but also because of the historical narrative each one embodies within Uruguayan numismatics.
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