1 Peso Emilio Aguinaldo, Reverse Trial

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背面描述	Uniface reverse trial strike presenting a completely blank, unworked field with no design, legend, or devices of any kind, showing only the raw brass planchet surface with tool marks and patination consistent with an experimental reverse die trial.
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边缘	Plain
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附加信息	Trial pieces for the Bangko Sentral ng Pilipinas were produced ahead of the major coinage reform that reorganized Philippine circulating denominations in the late 1960s. This reverse trial — struck in brass rather than the copper-nickel ultimately adopted — represents one stage in the material testing process, where the mint evaluated how different alloys rendered the die detail and wore under simulated handling conditions. Brass was a serious candidate given its cost relative to nickel alloys and its established use in regional coinage. Aguinaldo died in 1964, just five years before this trial was struck.

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