The exceptional coin is the rare 1870 Paraguay 1 Centesimo coin graded as MS63RB (Mint State 63 Red Brown) by PCGS. This coin is uncirculated and made from copper, with a red-brown color. It is a unique coin with a population of only 1 graded by PCGS, making it an extremely valuable addition to all coin collections. The certification by PCGS ensures the authenticity and quality of this historical piece from Paraguay.