URUGUAY. 20 Centesimos, 1877-A. PCGS SP-64 Secure Holder.KM-15. Carefully produced and wonderfully preserved with pinpoint detail throughout the obverse and reverse designs and luster in the fields that absolutely sparkles due to vertical die polish lines. Faint amber tone, mostly visible on the reverse, adds another element of character to the overall appearance.PCGS SP-64 Secure Holder.