Costa Rica, 1/2 real, "lion" countermark (Type VI, 1849-57) on a Costa Rica (Central American Republic) 1/2 real 1831F. KM-67. 1.32 grams. XF countermark on VF host coin, scratch on reverse, nice toning. Assayer F began by 1828 and was still clearly active with two escudos in 1835. Pedigreed to the Don Garretson collection (Almanzar 1968). ($150-225)