ANGOLA: Maria II, 1834-1853, AE 2 macutas, ND (1837), KM-51.2, crowned arms revaluation countermark on 1785 macuta (KM-20), F-VF on VG-Fine host. The law authorizing these countermarks was dated March 21, 1837, and provided for the doubling of face values.
Estimate: 80-120 USD