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Is This Coin Has Environmental Damage ?

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Valued Member
plonker's Avatar
United States
462 Posts
 Posted 02/17/2013  2:42 pm Show Profile   Bookmark this topic Add plonker to your friends list Get a Link to this Message Number of Subscribers
Hi ALL,
Picked this one ( Germany 1903 5 Marks silver) recently from LCS and seems to have ugly toning to it on obverse. It seems the high points have some powdery white complexion and the rest has dark almost black like color. I have applied Acetone and it hasn't made any difference at all. Any idea what this coloring is ?



Is-This-Coin-Has-Environmental-Damage-?

Is-This-Coin-Has-Environmental-Damage-?

Is-This-Coin-Has-Environmental-Damage-?
Pillar of the Community
614 Posts
 Posted 02/17/2013  2:46 pm  Show Profile   Bookmark this reply Add tzarmarko to your friends list Get a Link to this Reply
I believe it is just a failed attempt at cleaning. Also, that's a 3 Mark piece, not 5.
Bedrock of the Community
sel_69l's Avatar
Australia
21786 Posts
 Posted 02/17/2013  5:19 pm  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
I agree that this is a horrible looking coin that is screaming out;
'Please improve my appearance' - much like a lady who uses skin care products.

I have about 4,000 coins in my collection, I have cleaned perhaps four of them.
Since this coin is not worth all that much above bullion value, cleaning perhaps could be considered.

If it were my coin, in this case, I probably still would not bother.
If I were to proceed, I would use a non abrasive commercial silver dip cleaning solution, and inspect the result every few seconds, then extend to minutes if that was required.

The value of the piece would certainly NOT be increased by cleaning, and there is always the risk of loosing value.

I am slightly more pragmatic than those who say 'Don't clean coins'
The reason for that is that almost all ancient coins NEED cleaning after discovery.
Valued Member
plonker's Avatar
United States
462 Posts
 Posted 02/17/2013  10:36 pm  Show Profile   Bookmark this reply Add plonker to your friends list Get a Link to this Reply
Thanks guys, I might leave it as is for now.
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