The 1 Peso coins minted in Mexico between 1898 and 1909 represent one of the most iconic series in Mexican numismatics from the Porfiriato era. These coins revived the classic design of the historic 8 Reales and circulated during a key period of economic consolidation under the regime of Porfirio Díaz, characterized by modernization, monetary stability, and openness to foreign investment, though also marked by social inequalities. The 1 Peso 1898-1909 series is notable for its high-purity silver composition, its detailed design featuring the resplendent Phrygian cap, and its representation of the liberal spirit of Mexico at the end of the 19th and beginning of the 20th centuries.
History of Weight (1898-1909)
The series begins during a period of relative stability under the government of Porfirio Díaz. Mexico adopted the decimal system in the second half of the 19th century, and the Mexican silver peso became the international currency, especially in Asia.
Minting Periods: 1898-1909
The Peso's minting years (1898-1909) correspond to a period of economic expansion, and the production of silver coins was a national priority. In 1905, with Díaz's Monetary Reform, the silver fineness of several denominations was reduced, but this series maintained its 0.9027 fineness until 1909, which gave it prestige and added value compared to subsequent issues.
Technical Specifications and Dimensions
Diameter: 38.5 mm
Thickness: 2.8 mm
Weight in grams: 27.0730 grams
Song characteristics: Striated
Design and Representation of the Currency
Obverse: The obverse of the 1 Peso Mexican coin from 1898–1909 features a detailed depiction of the Mexican national coat of arms, which represents a full-bodied golden eagle in left profile , perched on a prickly pear cactus growing from a rock in the middle of a lake. The eagle holds a snake in its beak and right talon, a clear allusion to the founding myth of Tenochtitlán. Encircling the cactus are branches of oak and laurel intertwined at the bottom, symbolizing strength and victory. At the top, in a semicircular shape, the legend “ REPUBLICA MEXICANA ” is inscribed in capital letters, precisely engraved with a slight relief. The coin's edge is bordered with very fine dots that run around the entire circumference, framing and protecting the central design. Each element is executed with great detail, reflecting the high technical and artistic level of the Mexican Mint at that time.
Reverse: On the reverse of the 1 Peso Mexican coin (in this example from 1899) of the 1898–1909 series, an imposing Phrygian cap , a symbol of liberty, is depicted in the center, with the word “LIBERTAD” (LIBERTY) clearly inscribed in capital letters on its front. Sunbeams radiate from the cap in all directions , in a symmetrical pattern that visually reinforces the concept of enlightenment and emancipation. At the bottom of the field, in a semicircle following the edge of the coin, appears the numismatic legend: “* UN PESO. Zs. 1899. FZ 902.7”, which breaks down the face value (ONE PESO), the mint mark “Zs” corresponding to the Zacatecas Mint, the year of minting 1899 , the assayer's initials “FZ”, and the purity of the metal “902.7” (silver) . To the left of the legend is a five-pointed star , and the entire design is surrounded by a border of small dots that elegantly defines the coin's outline. This composition is a direct evolution of the classic 8 Reales design and retains its symbolic power with great artistic detail.
Symbolism of each design element : The design of the 1 Peso coin from Mexico (1898–1909) is imbued with patriotic and liberal symbolism, reflecting the ideals of a nation in transition to modernity. On the obverse, the national coat of arms depicts a golden eagle devouring a snake while perched on a prickly pear cactus, a representation of the Mexica founding myth that symbolizes Mexico's strength, resilience, and sovereignty. The cactus sprouts from a rock surrounded by water, flanked by intertwined branches of oak and laurel, emblems of fortitude and victory, respectively. On the reverse, the Phrygian cap, positioned in the center and inscribed with the word "LIBERTAD" (Liberty), radiates powerful rays in all directions, projecting the republican ideal of emancipation and free thought. The accompanying star and the precision of the engraving reinforce the intention to communicate order, light, and progress. This balance between indigenous, historical, and liberal elements makes this coin a powerful visual emblem of Porfirian Mexico.
Composition of the Currency
The composition of the 1 Peso Mexican coin minted between 1898 and 1909 is 90.27% silver (0.9027) and 9.73% copper (0.0973) , a high-purity alloy that distinguishes it from other coins of its time. Despite the 1905 Monetary Reform, which reduced the silver content in other denominations, this series maintained its original composition until the end of its minting in 1909. This metallic stability not only guaranteed its national and international acceptance but also increased its appeal to collectors, offering a piece of high intrinsic value and great artistic quality.
Manufacturing Mints and Mint Marks
During the period of minting the 1-peso Mexican coin between 1898 and 1909, these coins were produced primarily by several official mints in the country, each identified by a specific mark on the reverse. The mark “Mo” corresponds to the Mexico City Mint , located in the capital and active from 1535 to the present day, making it the country's main and most recognized mint. Other mints that produced this series were: “Cn” for the Culiacán Mint , “Go” for the Guanajuato Mint , and “Zs” for the Zacatecas Mint . Each of these mints contributed to the production of this iconic coin during the Mexican silver boom.
Below is a table with relevant coinage information, including the year, mint mark, and number of coins minted:
| Year/Mint/Assayer | coinage | Notes |
|---|---|---|
| 1898 Cn AM | 1 720 000 | |
| 1898 Cn/Mo AM | ||
| 1898 Go RS | 4 256 000 | |
| 1898 Go/Mo RS | ||
| 1898 Mo AM | 10 156 000 | Original mintage - the top of the "o" is aligned with the top of the "M" |
| 1898 Zs FZ | 5 714 000 | |
| 1899 Cn AM | 1 722 000 | |
| 1899 Cn JQ | ||
| 1899 Go Rs | 3 207 000 | |
| 1899 Mo AM | 7 930 000 | |
| 1899 Zs FZ | 5 618 000 | |
| 1900 Cn JQ | 1 804 000 | |
| 1900 Go RS | 1 489 000 | |
| 1900 Mo AM | 8 226 000 | |
| 1900 Zs FZ | 5 357 000 | |
| 1901 Cn JQ | 1 473 000 | |
| 1901 Mo AM | 14 505 000 | |
| 1901 Zs AZ | 5 706 000 | |
| 1901 Zs FZ | ||
| 1902 Cn JQ | 1 194 000 | |
| 1902 Mo AM | 16 224 000 | There is a variety with an overdate. |
| 1902 Zs FZ | 7 134 000 | |
| 1903 Cn FV | ||
| 1903 Cn JQ | 1 514 000 | |
| 1903 Mo AM | 22 396 000 | |
| 1903 Mo MA | Error "MA" | |
| 1903 Zs FZ | 3 080 000 | There is a variety with an overdate. |
| 1904 Cn MH | 1 554 000 | |
| 1904 Mo AM | 14 935 000 | |
| 1904 Zs FM | ||
| 1904 Zs FZ | 2 423 000 | |
| 1905 Cn RP | 598 000 | |
| 1905 Mo AM | 3 557 000 | |
| 1905 Zs FM | 995 000 | |
| 1908 Mo AM | 7 575 000 | |
| 1909 Mo GV | 2 924 000 | |
| 1898 (1949) Mo AM | 10 250 000 | Re-striking (1949) - the top of the "o" extends above the top of the "M" |
Information partially obtained from Numista
How to Identify Mint Marks on Coins
The marks are located next to the year on the reverse of the coin, allowing collectors to easily identify the place of minting.
Current Numismatic Value
The current value of these coins varies considerably depending on the year, the state of preservation, and other factors such as minting errors.
Examples of Auction Prices
- 1 Peso 1902/1 Mo AM, MS63: It reached $2,115.00 US dollars in 2017
- 1 Peso 1899 Go R, MS62: It reached $2,160.00 US dollars in 2023
The 1 Peso series from 1898-1909 is a jewel of Mexican numismatics , combining metallic purity, artistic excellence, and historical context. Its enduring value as a collectible reflects its legacy in Mexico's monetary culture. If you'd like to learn more about historical coins, we invite you to explore other articles on our site and continue discovering the richness of Mexican numismatics.
Note: This website participates in the eBay Affiliate Program. Purchases made through ad links may generate a commission for us, which helps us maintain and improve our content. Thank you for your support!
