Costa Rica, 50 centavos, "lion" counterstamp (Type VII, 1889 CB), on a Medellin, Colombia, 5 decimos, 1885, NGC AU 53, c/s AU strong. KM-135.2. Choice full counterstamp, the host faintly lustrous, with nice light toning all over. (Note the KM number in the printed catalog is in error.
Estimate: 400 - 600 USD