Watch List notes:

Potosi, Bolivia, cob 8 reales, 1619T, mounted cross-side out in 14K twisted-gold wire bezel with emerald. 25.45 grams total. Moderately to heavily corroded coin, quite silvery (probably ex-Atocha) with full date outside of mostly flat cross, full shield, double-wire bezel with outer band twisted, very long bail for thick chain.
($200-$300)