^Lot 797 Potosi, Bolivia, cob 8 reales, 1648 Z/T, extremely rare.

Potosi, Bolivia, cob 8 reales, 1648 Z/T, extremely rare. S-P34; KM-unl (19a for type); Cal-unl. 27.62 grams. Bold full date outside good full cross, bold P-dot-Z/T (doubled) to left of good full shield, AVF with flat spots and uneven thickness, also hairline edge-split, nevertheless arguably the finest known of this extremely rare over-assayer (missing in KM, Calico, Sellschopp, and Paoletti) that is sometimes mis-attributed to Z/TR due to the fancy shape of the Z.