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25 Kobo

Issuer Central Bank of Nigeria
Year 1991
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Composition Copper plated steel
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Obverse lettering FEDERAL REPUBLIC OF NIGERIA UNITY AND FAITH, PEACE AND PROGRESS 1991
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Reverse lettering 25 kobo
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Additional information

The shift to copper-plated steel for this type reflects Nigeria's broader coinage reforms of the early 1990s, driven by rising base metal costs and a structural adjustment program that was reshaping the country's fiscal architecture. The older nickel-brass 25 Kobo had become too expensive to produce relative to its face value — a familiar problem for low-denomination coinage in economies under currency stress.