Newbie: does light green mean PVC on old copper?

Comments

• ICOLLECTINEEDHELP Posts: 34

  April 6, 2010 1:29PM

  And is there anything that can be done about it without ruining the coin.
  Is acetone safe on copper?

  I should say " My wife thinks I need help."

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• ricko Posts: 98,724 ✭✭✭✭✭

  April 6, 2010 11:19PM

  Difficult to identify without pictures. Could be verdigris, usually in specific spots (but could be a larger area). Manifests itself as a crystalline bump (commonly, but can be a film). PVC has a light green tinge and a 'slimey' look - again - usually. Hope this helps. Cheers, RickO

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• notwilight Posts: 12,864 ✭✭✭

  April 6, 2010 11:25PM

  
  
  << <i>I just got bagged on an 1853 half cent that should have gone about ms64bn. They gave it a genuine - 94 "altered surfaces".
  I noticed that there were places where there was a bit of light green and overall it has a lighter green tone over brown look to it.
  Is this PVC damage instead of natural toning. Would that be the reason for "altered surfaces?"
  
  Thanks >>
  
  
  
  Sounds normal. Is it in the fields or the devices? Crevices or high spots?
  
  Here is a beatuiful cent in a PCGS holder but when you blow it up in a large photograph to look a the die cracks the fields get a green tone to them.
  
  
  

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• quickwing Posts: 1,155

  April 7, 2010 12:45AM

  Altered surfaces could be from a recoloring the coin could have gone through after cleaning? Corrosion would be another "bag".

  OLDER IS BETTER

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• copperflopper Posts: 61

  April 7, 2010 12:53AM

  Coin has been cleaned and recolored and they missed a spot. Probably an old Ketchup coin.

  "This ain't Dodge City an you ain't Bill Hickock."......Matthew Quigley

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