Watch List notes:

Costa Rica, 1 real, "lion" countermark (Type VI, 1849-57) on a Great Britain sixpence of 1834, George IIII, PCGS VF30, c/m XF detail, ex-Dana Roberts (stated on label). KM-89. 2.73 grams. Full and deep countermark on atypical host, with all details clear except denomination (where countermark was applied on the other side), richly toned all over. PCGS #3494673742.

Estimate: $300-450