5 Córdobas

Nicaragua's córdoba coinage has undergone repeated compositional changes driven by metal commodity prices and chronic currency instability — the stainless steel transition for this denomination reflects the same cost-containment pressures that pushed Central American mints away from nickel-clad steel during the 2010s. The Banco Central introduced KM#90b as a cost-reduction measure after the 2018 civil unrest and subsequent economic contraction severely strained government finances.