Please, rephrase question.
The US Mint, which is part of the Department of the Treasury, produces US coins.
The first coins made by the US Mint was in 1793.
No U.S. coins were ever made from lead.
copper
India
US coins were first struck by the US mint located at Philadelphia, Pennsylvania in 1793.
After coins are made they are bagged and distributed to banks in the US through the Federal reserve system.
No. The US Mint uses a variety of metals in the minting of coins but lead is not one of them.
The United States Mint, which is a part of the US Department of the Treasury.
Your question needs to be rephrased. "Denver coins" are simply ordinary US coins (cents, nickels, dollars, etc.) that were struck at the US Mint facility in Denver.
Coins are produced by the US Mint which is part of the Treasury Department. The Mint currently strikes coins in 4 facilities: Philadelphia, "P" mint mark since 1979/80 on all coins made there except cents Denver, "D" mint mark on all coins made there San Francisco, "S" West Point, "W" Since the 1970s only Denver and Philadelphia have produced coins for circulation, while proof coins are made in San Francisco and special collectors' coins, bullion coins, and commemoratives are made at West Point.
US paper money is made at the Bureau of Engraving and Printing, coins are made at the US mint.