Watch List notes:

Mexico City, Mexico, bust 4 escudos, Charles IV, 1805TH, encapsulated NGC AU 55, finest known in NGC census by three grades. CT-226; KM-144. An exceptional specimen, fully lustrous, well struck and problem-free (clearly MS in our opinion but in a very critically graded series with very few MS coins on record among all the dates). NGC #2782189-011. (Estimate: $1500 - 2250)