Comment about the dollar sign someone above posted as a serpent coiled around a staff...
the S of our dollar sign is actually for the Spanish dollar; (spain still uses "dollar" as currency). The slash through means, essentially:
SPAIN no more; or: this coin is not good in spain, it is for the new world.
Shortly after the Spanish conquered the new world they discovered huge silver deposits in central Mexico. Much of the new silver was returned to Spain in the form of silver bars, but in 1632 the Mexico City Mint---the oldest mint in the new world--was established and began striking coins with the new silver. In 1772 the mint began to produce a new, machine made silver coin---the Spanish Dollar. These silver dollar sized coins were not only destined to be immortalized as the "Pieces of Eight" of pirate legend, they would also solve the coinage problems of the new Americans.
In order to obtain the silver coins they so desperately needed, the colonists turned their ships south and began trading with the Spanish. The result? Vast quantities of the Spanish Dollar---America's First Silver Dollar---were imported into North America.
so, it's not a serpent as many think.
our dollar is: SPAIN NO MORE! new world currency