COSTA RICA. Costa Rica - Great Britain. Real, ND (1849-57). NGC VF-30; Countermark: EF Standard. KM-89. Type VI countermark on 1837 Great Britain 6 Pence (KM-712). From the David Sterling Collection.
COSTA RICA. Costa Rica - Great Britain. Real, ND (1849-57). NGC VF-30; Countermark: EF Standard. KM-89. Type VI countermark on 1837 Great Britain 6 Pence (KM-712). From the David Sterling Collection.