Watch List notes:

Costa Rica, 50 centavos, "lion" counterstamp (Type VII, 1889 CB), on a Medellin, Colombia, 5 decimos, 1882, NGC AU details / cleaned, c/s UNC standard. KM-135.2. White from cleaning but with full and sharp details, the countermark particularly choice. NGC #6442573-024. Pedigreed to the Bernal Collection (stated on label).
($300-450)