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What is a "Whizzed" Coin?
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<p>[QUOTE="Numismat, post: 1317788, member: 15019"]In addition to what raider said, a really good whiz job requires high magnification to identify. A 5x or 10x loupe may not be enough, but even a fairly cheap microscope has enough magnification to see the difference. In this case the difference is very fine incuse marks in consistent , usually circular, direction (on the whizzed coins). A coin which genuine cartwheeling luster, or "bloom" may have die polish lines that can sometimes be confused for whizzing. However, die polish lines are nearly always straight and whizzing marks are usually not.</p><p>On coins with original surfaces there may also be a halo effect, from metal flow that radiates from the center to the outside or vice versa. This will not be seen on whizzed coins.[/QUOTE]</p><p><br /></p>
[QUOTE="Numismat, post: 1317788, member: 15019"]In addition to what raider said, a really good whiz job requires high magnification to identify. A 5x or 10x loupe may not be enough, but even a fairly cheap microscope has enough magnification to see the difference. In this case the difference is very fine incuse marks in consistent , usually circular, direction (on the whizzed coins). A coin which genuine cartwheeling luster, or "bloom" may have die polish lines that can sometimes be confused for whizzing. However, die polish lines are nearly always straight and whizzing marks are usually not. On coins with original surfaces there may also be a halo effect, from metal flow that radiates from the center to the outside or vice versa. This will not be seen on whizzed coins.[/QUOTE]
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