Spanish Pillar Dollar: Influence on American Currencies A collaboration of Marty Martinez Spanish Origin of Sign $ The beliefs of the fifteenth century included, among other things, the absolute danger of sailing past the Pillars of Hercules. Thus they were called at that time two promontories located in the Strait of Gibraltar: Mount Calpe to the north (Gibraltar) and the Rock of Abila to the south (Ceuta). This was the obligatory passage of the mare nostrum (the Mediterranean) to the ...
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