Potosi, Bolivia, cob 2 reales, 1618T+PAL (large), very rare. S-P21; KM-unl (type 8). 6.79 grams. Choice full shield and cross, very bold T over o-z (denomination) to right and clear PAL assayer to left, also bold 618 of date, once polished and now lightly toned (possibly from the Atocha), AXF details. (Estimate: $400 - 600)