Classic pre-Libertad bullion with old-school charm. These .925 silver “Onza” Balance Scale pieces come Random Year (typically 1979–1980) in Average Circulated condition—perfect for stackers and world-type collectors who want a full troy ounce of silver in a big, handsome coin.
Coin Highlights
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Country/Mint: Mexico • Mexico City “Mo”
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Years: Random (commonly 1979–1980)
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Denomination: 1 Onza (bullion)
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Composition: .925 Silver • Weight: 33.625 g • ASW: 1.000 troy oz
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Diameter / Edge: ~41.5 mm • Reeded edge
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Obverse: “Casa de Moneda de México” with the historic screw-press (“balancín”) and date
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Reverse: Balance scales with legends including “Una Onza Troy de Plata Pura… Ley 0.925, Peso 33.625 gramos.”
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Grade: Average Circulated (may show wear/marks; our choice)
Historical Significance
The Balance Scale Onza bridges Mexico’s classic silver tradition and modern bullion era—issued just before the Winged Victory Libertad debuted in 1982. Its design spotlights the minting heritage of Casa de Moneda de México, the Western Hemisphere’s oldest mint.
