Gunk On Coin - Coin Community Forum

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Author	Replies: 6 / Views: 1,419
Kafka Valued Member Canada 352 Posts	Posted 07/21/2012 6:31 pm Hi- Can anyone help me identify the gunk covering these newfoundland coins and whether it is at all removable and how much it will affect value. The obverse is in good shape. Thanks. Report this Post to the Staff

MercuryDime Valued Member Canada 262 Posts	Posted 07/21/2012 6:33 pm NEVER clean coins.] Also, that just looks like dirt and/or tarnish. Nothing too bad and the coin on the left is in pretty good shape Report this Post to the Staff
Kafka Valued Member Canada 352 Posts	Posted 07/21/2012 6:35 pm Thanks Merc, but what's your opinion on value? And grade? Will anybody want such a coin? Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21788 Posts	Posted 07/21/2012 8:26 pm Organic skunge can br removed from coins with a good acetone bath, INoraganic skunge is much more difficult to remove. If the black blotchy toning is silver oxide, silver chloride or silver sulphide, forget it. Any inorganic chemical attempt to clean these coins will also further damage them. Report this Post to the Staff
samsnate Pillar of the Community Canada 1723 Posts	Posted 07/21/2012 8:53 pm i use PRO DIP silver coin cleaner. Its not a polich or anythin. Literally, dip in solution for 10 sec to 1 min, depending how much gunk is on the coin, and rince well with lukewarm water and then pat dry with soft cloth. Takes all the dirt and slime off the coins but leaves any tarnish and toning etc. Awsome product. use it on all my coins. Report this Post to the Staff
MercuryDime Valued Member Canada 262 Posts	Posted 07/21/2012 9:49 pm Back of the one on left is definitely tarnish only, can't say about the other faces. leave tarnish alone. If it's just dirt rub it in water of the acetone bath but I think of a lot of that is tarnish. Report this Post to the Staff
Kafka Valued Member Canada 352 Posts	Posted 07/21/2012 9:51 pm Thanks merc, how does it affect the value? Report this Post to the Staff
	Replies: 6 / Views: 1,419

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