Lot of six Spanish colonial cobs, as follows: Mexico 8R Philip V assayer F; Mexico 4R Philip V assayer not visible (2); Potosi 8R 1654E; Potosi 1R 1684VR; and Potosi 1/2R 1732(?) cut into heart shape. 82.36 grams total. Fine on average, all toned, decent details, the 1/2R quite cute but lightly corroded. SEE INTERNET FOR PHOTO. (Estimate: $500 - 750)