Watch List notes:

Mexico City, Mexico, gold bust 8 escudos, Charles IV, 1807 TH, mintmark oM over inverted mintmark, NGC AU 55. Cal-1654; KM-159. 27.01 grams. Rich gold color, some light marks and slight central weakness as usual, clear and very interesting correction of an erroneously inverted mintmark, tied with three others for second finest in NGC census behind a single MS 61. NGC #6450804-001.
($2000-3000)