Manufacturing Processes Of United States Coins
As a numismatic coin collector, it is important to know about the three manufacturing processes of United States coins. Each process produces a different type of coin and knowing the three different types and how the coins themselves are manufactured and handled will help you to make better decisions regarding coins, their value, and their rarity.
Proof Coin Manufacturing:
The first process of numismatic coin production is known as “proof” coin manufacturing. A proof coin is a coin which has been specially minted for numismatic collectors. The way in which a mint creates a proof coin, is by having the flat surfaces of the coin dies highly polished, giving them a mirror-like finish.
The “planchets” or “blanks” are fed into a low-speed coin press and then they pressed several times at extremely high pressure which results in a very high detailed numismatic coin. Once the coins have been struck, the press worker very carefully removes the coin, taking special care that it does not come into contact with any other coins.
Traditional U.S. proof numismatic coins have frosted images upon a mirrored surface. However the mint has made many other forms of proofs throughout it’s history such as “matte” proofs and “sandblasted” proofs. The U.S. Mint has been selling proof coins to the public since 1858.
Circulation Coin Manufacturing or “Business Strike”:
The second type of U.S. Mint numismatic coin manufacturing is called circulation coin manufacturing or “business strike” coins. These types of coins were intended for use in circulation. The planchets are polished and then put into a high speed press where they are struck once before they are placed into a hopper or bag.
Since business strike coins were created primarily for circulation, they receive no special treatment like numismatic proofs. This can cause the coins to show a lot less detail on the surface of the coin.
Burnished Uncirculated manufacturing:
And finally, the last of the three processes is called burnished uncirculated coin manufacturing in which the planchets are burnished and then placed in a low speed press where they are pressed several times at high pressure. The dies of the burnished process are not polished like the dies of the proof coins but the procedure is basically the same with the minting and care of the numismatic coins.
Business strike coins are not treated by coin handlers as well as the proofs or burnish uncirculated coins, which makes MS 70 numismatic coin grades of the business circulated class much more rare and difficult for collectors to find. Numis Network specializes in the business strike, proof, and burnished uncirculated numismatic coins. The company sells only coins which have been graded by the 4 top tier grading companies:
Hello, my name is Mike Pagach and I am the founder of the Numis Network Review. I live in sunny Ventura, CA where I enjoy calm breezes, music, and art.
The Four Tools That Every Numismatic Coin Collector Should Posses
Numismatic Coin Grading
How To Use the Sheldon Numismatic Coin Grading Scale
Third Party Coin Grading Services
Build A Collection Of Silver and Gold Collectible Assets With Numis Network