Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip IV, assayer Z, with crowned-L countermark on cross. S-P34; KM-19a. 29.05 grams. Curiously OVERweight, with weak but certain assayer, choice full countermark, full but mostly flat shield and cross on an uneven flan with small edge-split, nicely toned Fine, scarce as non-salvage. ($200-300)