Watch List notes:

Potosi, Bolivia, cob 8 reales, 1621T, quadrants of cross transposed, ex-"Panama hoard." S-P21; KM-10. 25.82 grams. Choice full cross, full but doubled shield, full P+T and denomination, bold full "ZI" (21) of date, VF with orange sediment in crevices. From the ca.-1629 "Panama hoard."
(200 - 300 USD)