BOLIVIA. 2 Reales, 1770-PTS JR. Potosi Mint. Charles III. PCGS AU-50 Gold Shield.KM-48, Yonaka-P2-70a; cf. Gil-P-2-4: cf. Cal-type-143#1380. Variety with rosettes bracketing "R" and "2" and dotted mintmark, which is not noted in Gilboy. This example exhibits an impressive bold strike and even gun-metal toning throughout.