We made this US coin history timeline to help us figure out which coins were being used and circulating during the American colonial period through the 1800's, and how we can find more of these old coins by metal detecting. ... 1785, 1786 - Connecticut copper cents - mint established near New Haven 1785 - Confederatio Coppers 1786 - New Jersey copper cents 1787 - New York 1787, 1788 - Connecticut copper cents - crudely struck on imperfect planchets ...
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