1887, Nicaragua (Republic). Silver 20 Centavos Coin. Mint Year: 1887 Reference: KM-7. Denomination: 20 Centavos Diameter: 23mm Weight: 4.88gm Material: Silver Nicaragua, officially the Republic of Nicaragua (República de Nicaragua), is the largest country in the Central American isthmus, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the ...