Watch List notes:

Costa Rica, 1 real, "lion" countermark (Type VI, 1849-57) on a Great Britain sixpence, George III, 1816, NGC VG 10, c/s XF standard. KM-87. Very deep and boldly detailed countermark on neck of George III, with circular blank spot on reverse as a result but all other host-coin details clear (especially the date), deeply toned all over. NGC #5846759-007.
($125-$200)