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<p>[QUOTE="Lolli, post: 4547539, member: 96900"]Sure that the Nerva must be fake?</p><p>The blue cycle "BUBBLES" are corrosion pits and not circular holes from gas bubbles, that can be sometimes found on bad cast fakes.</p><p>The coin has a massive corrosion problem.</p><p>The edge crack was possibly filled a little bit with patina or dirt or encrustrations. The metall of the coin is reacting in its environment with chemicals and so the edge crack will react too with chemicals and will get there a patina that can fill the edge crack a little bit and make it looking less sharp. And often dirt or encrustrations are not removed from edge cracks, when cleaning. What you cycled black is not a filled edge crack it is either patina or encrustration or a die break in ancient dies. It looks like the coin was harshly cleaned and possibly smoothed on obverse and I guess it possibly had a thick and or ugly patina. Patina needn´t to grow everywhere on coin surface equally !! Edge cracks are supposed to go through both side (reverse and obverse)! You can see that the edge crack ends on obverse and reverse on the same position! There is no counterpart as it should be on obverse for what you think is a filled edge crack on reverse. The edge crack should go through both side and end on same position on both sides and if edge crack is actually filled you should see it on obverse and reverse and not only on reverse.[/QUOTE]</p><p><br /></p>
[QUOTE="Lolli, post: 4547539, member: 96900"]Sure that the Nerva must be fake? The blue cycle "BUBBLES" are corrosion pits and not circular holes from gas bubbles, that can be sometimes found on bad cast fakes. The coin has a massive corrosion problem. The edge crack was possibly filled a little bit with patina or dirt or encrustrations. The metall of the coin is reacting in its environment with chemicals and so the edge crack will react too with chemicals and will get there a patina that can fill the edge crack a little bit and make it looking less sharp. And often dirt or encrustrations are not removed from edge cracks, when cleaning. What you cycled black is not a filled edge crack it is either patina or encrustration or a die break in ancient dies. It looks like the coin was harshly cleaned and possibly smoothed on obverse and I guess it possibly had a thick and or ugly patina. Patina needn´t to grow everywhere on coin surface equally !! Edge cracks are supposed to go through both side (reverse and obverse)! You can see that the edge crack ends on obverse and reverse on the same position! There is no counterpart as it should be on obverse for what you think is a filled edge crack on reverse. The edge crack should go through both side and end on same position on both sides and if edge crack is actually filled you should see it on obverse and reverse and not only on reverse.[/QUOTE]
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