Watch List notes:

Costa Rica (Central American Republic), gold 4 escudos, 1837E. KM-16. 13.41 grams. AXF with typically weak tree but nice mountains, light red toning, parts of rims weak, hairlines on tree side only, rare and desirable type struck in medal axis and therefore often holed and plugged (not the case here).

Estimate: $3000-4500