MIXED LOTS. Trio of Denominations from Africa (3 Pieces), 1796 & 1833. All PCGS Gold Shield Certified. 1) Liberia. Cent, 1833. PCGS AU Details--Cleaned. KM-Tn2; CH-1.2) Sierra Leone. 10 Cents, 1796. PCGS Fine Details--Environmental Damage. KM-3.3) Sierra Leone. Cent, 1796. PCGS EF-40. KM-1.