Watch List notes:

Brazil (Rio mint), 960 reis, Pedro I, 1823-R, very rare "IGNO" error, struck over a Spanish colonial bust 8 reales of Ferdinand VII, dated 1816, encapsulated NGC AU 53. Russo-504a; KM-368.1. Deeply rainbow toned and attractive, with clear undercoin detail (the date especially), popular (valuable) error.

Estimate: $1250 - 2000