Brazil (Minas mint), 20000 reis, Joao V, 1725-MMMM. R-O249; KM-117. 53.49 grams. Lustrous UNC with very minor bagmarks, popular as the largest legal-tender gold coin struck in colonial Americas, and struck for only four years (1724-1727) at just one mint (Minas).
Estimate: $10000