Watch List notes:

ECUADOR: AV 4 escudos, 1838, KM-19, assayer ST, pleasing appearance and nice for the grade in this exceedingly rare issue, NGC graded EF45, RRR. Krause states that there are only 3-4 pieces of this assayer known, the most famous being the Eliasberg specimen.

Estimate: 18,000-25,000 USD