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Selected term: Buffing (whizzed)
Explanation: A polishing of a coin sometimes with an abrasive that leaves a finish that attempts to counterfeit mint luster. A buffed coin often is worth less than one that has not been cleaned
Most popular coin terms ...

Whizzed / Whizzing
This is a harsh cleaning technique that uses a wire brush in order to simulate mint luster. This technique was used in the 60’s and 70’s to fool the uneducated buyer. "Whizzed" coins are not certifiable and very difficult to sell.

Whizzed: The process of moving metal on the surface of a coin to cover or fill marks or scratches. Often used in an attempt to make the coin appear to be in a higher grade.

Whizzed -
An artificial process whereby the surface of a coin is buffed to give it the appearance of having natural cartwheel lustre.
Wire Rim - ...

A coin mechanically or chemically treated to make it appear to be of a higher grade than it actually is.

A ~ coin usually is easily detected with the use of a good magnifying glass, but some ~ coins can be very deceptive. Under high magnification the surface of a ~ coin will show many tiny scratches from contact with the wire brush.

8. A ~ coin can be most easily identified by
(A) its natural luster
(B) its unusually low price
(C) its characteristic crudely cleaned surfaces, highly porous appearance and lack of detail
(D) its low weight
(E) the humming noise it makes ...

~a ~ coin has been buffed or polished to give it the appearance of the luster found on a mint coin. Often whizzing is done on a high grade coin to try to sell the coin at a higher grade than it really is. Sometimes done by using a fine brush attachment on a high speed drill.

Cleaned coin - A coin which has been dipped, polished, ~, wiped, etc. Generally speaking, a certain amount of very light cleaning, such as dipping, done by a professional may be acceptable. However, this always causes some sort of damage to the coin.

Specimens are occasionally "~"--cleaned or polished in an attempt to pass them off as being higher grades or as proof strikes. In general, the buyer is cautioned to be careful of any unknown seller's claims.

After shaking his head and settling down he told me the coin was at best VF or XF and that it had been '~'. Of course, I was devastated. And, to make matters worse, I wanted to get a second opinion. At 13 or 14 you often start to believe that you are smarter than your father.

As a second meaning, "burnished" can refer to any coin that was abrasively cleaned after it left the Mint, and the word is often used as a synonym for "~" (the worst kind of cleaning, where the metal is actually moved around).
burnishing ...

This coin has the lettered edge with "PAYABLE IN LANDCASTER,...." it has AU details as graded by NGC, and is guaranteed authentic but has been "~" according to NGC. Red Book, page 55. Of the market for more than 50 years. Lovely coin despite being cleaned, just $450.00.

The process of altering of a coin's appearance by using a rotating wire brush to move or remove metal from the surface. The goal of whizzing is to give a coin the artificial appearance of being better grade than it actually is. Under magnification, ~ coins can be detected.

~ coins soon became impossible to sell, and the whizzers moved on to greener pastures. Perhaps they switched to artificial toning or other more lucrative games. [See Toning] Wonder Coin See Blazer.

See also: See also: What is the meaning of Collector, Mint, Grade, Coin, Numismatic?

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