Catalogus
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| Uitgever | Central Bank of Nigeria |
|---|---|
| Jaar | 1991 |
| Type | Log in om details te zien |
| Waarde | 50 Kobo (0.50 NGN) |
| Valuta | Log in om details te zien |
| Samenstelling | Log in om details te zien |
| Gewicht | Log in om details te zien |
| Diameter | Log in om details te zien |
| Dikte | Log in om details te zien |
| Vorm | Log in om details te zien |
| Techniek | Log in om details te zien |
| Oriëntatie | Log in om details te zien |
| Graveur(s) | Log in om details te zien |
| In omloop tot | Log in om details te zien |
| Referentie(s) | Log in om details te zien |
| Beschrijving voorzijde | Log in om details te zien |
|---|---|
| Schrift voorzijde | Log in om details te zien |
| Opschrift voorzijde | Log in om details te zien |
| Beschrijving keerzijde | Log in om details te zien |
| Schrift keerzijde | Latin |
| Opschrift keerzijde | Log in om details te zien |
| Rand | Reeded and plain alternating |
| Muntplaats | Log in om details te zien |
| Oplage | Log in om details te zien |
| Aanvullende informatie |
The KM#13.1 variety distinguishes this issue from the later 13.2, which followed Nigeria's broader coinage reforms of the mid-1990s as the country cycled through successive military governments, each inheriting an economy strangled by oil dependency and structural adjustment pressures from the IMF. Nickel-plated steel replaced the earlier cupro-nickel composition as a cost-cutting measure, a change that makes these pieces prone to edge corrosion where the plating is breached.