Spain
Charles IV gold 8 Escudos 1803 M-FA AU58 NGC, Madrid mint, KM437.1, Onza-1013 ("Rara"). Lustrous, nearly Mint state with scant high-point wear and mild surface abrasions. One of the key dates of the type, very scarce in any grade and rare in this engaging quality, with only one example currently certified finer by NGC.
Estimate: 2500-3000 USD