1622-1665, Bolivia, Philip IV. Silver 8 Reales Cob Coin Mint Period: ca. 1622-1665 Ruler: Philip IV (Felipe IV) of Spain. Denomination: 8 Reales (Cob Piece of Eight) Reference: Calico Type 327 var., KM-19/19a var. Mint Place: Potosi (judging by the typical large pellets and lion style) Condition: Crudely struck VF-XF, with the reverse die carelessly engraved, this cob seems to be extr ...