How to tell a coin have been whizzed?

Whizzing is often done using a Dremel tool with a tiny buffing wheel attachment.

Here are a couple more pics from Teletrade. Some telltale signs on these two is the flat luster, very few if any marks. The coin in the original post is a bit tougher because it has been retoned. Dipping and then retoning is another popular technique, probably more so than whizzing and retoning.

 

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Oops, sorry, both new ANACS problem holders. NCS and now PCGS genuine will also have whizzed coins. The PCGS problem code key* is at:
http://www.pcgs.com/articles/article_view.chtml?artid=5518&universeid=313

The first coin from above is:
1897 O EF45 details whizzed new orange holder
http://www.teletrade.com/coins/lot.asp?auction=2692&lot=1678

The second:
1893 AU55 details whizzed new orange holder
http://www.teletrade.com/coins/lot.asp?auction=2713&lot=2194


* I don't see a PCGS problem key code number for whizzed, I'm guessing that 94 for "altered surfaces" is used.

 

Doug,

I meant that at first glance in hand it appears mint state. When you look at the coin from a distance of a few feet, it appears mint state. You have to look closely to see the whizzing. The photo I posted is very large and clearly shows the damage.

I can't say definitively that the coin was whizzed since I didn't do it, but it looks like the product of a rotary tool to me.

 

I would agree with you Paul. Thanks for the post.