a 1948 Mexican one peso silver coin, also known as the "Little Morelos" or "Cachetón" type. This series of coins was minted from 1948 and features the portrait of the Mexican national hero José María Morelos y Pavón. Coin Details Country: Mexico Year: 1948 Denomination: 1 Peso Composition: 50% silver (.500 fineness) Weight: 14 grams (0.2251 ounces actual silver weight) Mint Mark: "Mo" for the Mexican Mint in Mexico City Mintage: 22,915,000 ---------------------------------------------------- an Argentine 25 pesos coin, a commemorative piece issued in 1967. The coin honors the first national coinage of 1813. Key Features Obverse Design: The side shown in the image features the "Sol de Mayo" (Sun of May) motif, a replication of the design from the original 1813 8-Reales coin. Shape: It is a dodecagonal (12-sided) coin. Material: The coin is made of nickel-plated steel. Inscriptions: Outer Ring: "REPUBLICA ARGENTINA" and "VEINTICINCO PESOS" (Twenty-five Pesos). Inner Ring: "PROVINCIAS DEL RIO DE LA PLATA". Numeric value "25" appears twice on the left and right sides. Physical Specifications Diameter: 26 mm Weight: 6.45 g Thickness: 2 mm Edge: Smooth The reverse side of this coin (not visible in the provided image) typically features the Argentine coat of arms and the commemorative year "1813" alongside the actual minting year. --------------------------------------------------------------------------------- an Argentina 50 centavos piece minted in 1958. Key Details Country: Argentina Denomination: 50 Centavos Composition: Nickel-clad steel Weight: Approximately 5 grams Diameter: 23.3 mm Thickness: 1.9 mm Mint: Buenos Aires Design Features Reverse: Features the large numeral "50" above the word "CENTAVOS" and the year "1958," all flanked by two laurel branches. Obverse: Typically features the "Freedom head" (Liberty) designed by Oudine, wearing a Phrygian cap. ------------------------------------------------------------------------------------------------ a 1950 Mexico 1 Peso, a one-year-only type featuring the portrait of José María Morelos, a hero of the Mexican War of Independence. Coin Specifications The 1950 1 Peso is a silver coin with the following technical details: Composition: 30% silver (0.300 fineness), 50% copper, 10% nickel, and 10% zinc. Weight: 13.33 grams. Diameter: 32 mm. Thickness: 2.3 mm. Silver Content: Approximately 0.1286 oz of actual silver weight (ASW). Mintage: 3,287,000 pieces were struck at the Mexico City Mint (indicated by the "Mo" mint mark). Design Features Obverse (Front): Features the Mexican coat of arms—a golden eagle perched on a cactus, devouring a snake. Reverse (Back): Displays the left-facing portrait of José Morelos, the denomination "1 PESO," the year "1950," and the "Mo" mint mark. ------------------------------------------------------------------------------------------------- a 1951 Mexico 25 Centavos silver-alloy coin. This specific design was minted between 1950 and 1953. Coin Specifications Composition: Billon (low-grade silver-alloy) consisting of 30% silver (.300 fineness), 50% copper, 10% nickel, and 10% zinc. Weight: 3.33 grams. Diameter: 21.5 mm. Mint: Minted at the Casa de Moneda de México (Mexico City Mint), indicated by the "Mo" mint mark. Design Features Reverse : Features a Liberty cap (Phrygian cap) at the top of balance scales with a scroll inscribed with "LEY" (Law) in between. The denomination "25 Cs." flanks the cap, and the date "1951" is at the bottom. Obverse: Typically features the Mexican national coat of arms, which depicts an eagle perched on a cactus devouring a snake. ------------------------------------------------------------------------------------------------------ an Argentinian 1 centavo coin from 1893. Identification and Characteristics This coin belongs to the Patacón series, which was minted between 1882 and 1896. Country: Argentina Denomination: 1 Centavo Year: 1893 Composition: Bronze Weight: 5 grams Diameter: 25 mm Edge: Smooth Design Details Obverse: Features the coat of arms of Argentina surrounded by the legend "REPUBLICA ARGENTINA" and the year "1893".