Catalog
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| Issuer | Argentina |
|---|---|
| Year | 1977 |
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| Thickness | 1.819 mm |
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| Obverse description | Uniformed bust of Admiral Guillermo Brown facing right, depicted in military dress with epaulettes and collar detail, set within a beaded inner border. The commemorative dates 1777 and 1977 flank the effigy at the lower left and right respectively. The legend REPUBLICA ARGENTINA curves along the upper periphery, while BICENTENARIO DEL ALMIRANTE G. BROWN arcs along the lower periphery, all separated from the rim by a continuous row of raised beads. |
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| Reverse script | Latin |
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| Additional information |
Guillermo Brown — Irish-born, raised in Philadelphia, and eventually the founder of the Argentine Navy — died in 1857, but his coinage appearances track closely with Argentine naval ambitions and periodic nationalist revivals. This 1977 issue appeared under the military junta that had seized power in March 1976, a government that leaned heavily on patriotic iconography while conducting what it called the "Dirty War" against political dissidents.
The aluminium bronze alloy was adopted partly in response to chronic metal cost pressures that plagued Argentine coinage throughout the 1970s inflation cycle.