On July 8, Banco Central de Nicaragua introduced new 500- and 1,000-Córdoba banknotes printed on polymer substrate.
The 500- and 1,000-Córdoba banknotes currently in circulation, printed on cotton paper substrate, will retain their value and continue to circulate next to the new banknotes, until they are gradually withdrawn, according to their deterioration.
Image Source: Banknote News.
Aditya