Complex sentence: A one-cent copper coin from 1793 sold for $1.38 million at the 2012 United Numismatists currency event in Florida and a 1792 penny that was the first coin struck inside the Philadelphia mint sold for $1.2 million in April 2012.
Split into simpler sentences: A one-cent copper coin from 1793 sold for $1.38 million at the 2012 United Numismatists currency event in Florida. A 1792 penny that was the first coin struck inside the Philadelphia mint sold for $1.2 million in April 2012.