Spanish silver 4 Reales cob coin minted 1621 in Potosi, Bolivia, during the reign of Philip IIII.
Obverse: Cross with the lions of Leon and castles of Castile.
Reverse: Shield coat of arms with denomination at right.
Measures approximately 1 and 3/8th's inches from the top to the bottom, 1 and 1/8th inch across widest point.
The famed Portobelo Treasure Hoard of 1630 was a discovery of a stash of 4,500 silver cobs found in the jungles of Panama along the El Camino Real Trail. This coin also displays traces of the orange-colored mud it was found in.