1887, Costa Rica (Republic). Silver 50 Centavos Coin. aXF! Mint Year: 1887 Reference: KM-124. Denomination: 50 Centavos Condition: Minimal deposits and toning spots, otherwise about XF! Material: Silver (.750) Weight: 12.55gm Diameter: 31mm Costa Rica (meaning “rich coast” in Spanish), officially the Republic of Costa Rica (Spanish: Costa Rica or República de Costa Rica), is a coun ...