^Lot 767 BOLIVIA, Potosí, cob 4 reales, 1772 V-Y, ex-Mastalir.

BOLIVIA, Potosí, cob 4 reales, 1772 V-Y, ex-Mastalir. S-P59; KM-44; Cal-918. 13.43 grams. Choice grade for the period (AU-) but rather crude and chunky flan with shear marks and natural hole in edge, very bold and nearly full pillars with clear date, exceptionally bold but off-center cross with one lion well detailed, attractively toned, with typical surface roughness on opposing sides (as made). Pedigreed to the Roberto Mastalir Collection, with his tag.