Potosi, Bolivia, cob 8 reales, (1)622, assayer not visible (T or P), lions and castles transposed in both shield and cross, rare. 27.17 grams. Very bold date (quite rare thus), full but somewhat crude shield and cross (with "flat" lions, per Paoletti-164) due to doubling, most of crown, VF with toning in crevices only.
Estimate: $500 - 750