Pennies with visible mintmarks are cheapest. "Ghost" (barely visible) mintmarks can fetch some money. The plain of the coin version is the most valuable, and the penny with a strong reverse is the ...
The Philadelphia Mint, with its variety, the 1948-P, produced the most pennies in 1948. All in all, the Mint produced more than 317 million 1-cent coins. The price of this coin may range from $0.50 to ...