New Zealand Gold Prospecting & Metal Detecting Forums Archive

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creamer		Posted : Wednesday, 7 March 2012 2:02:48 PM(UTC)
Rank: Gold Ingot Medals: Groups: Registered Joined: 19/06/2011(UTC) Posts: 2,022 Location: Bay of Islands Thanks: 2289 times Was thanked: 525 time(s) in 391 post(s)		Originally Posted by: rgmcbrid Wow, that is really something! My thoughts would be that it was mixed in with and used with 'modern' farthings. 160 years ago it would have only been 160 years old and might not have been anything special. I have experimented with cleaning bronze coins which are simmilar to copper and it is basically a waste of time. They have a patina of green crust on them that you can't do much with and if you clean it off you have shinny new pited metal underneath and the coin is ruined. I wouldn't use anything other than soap and water. I have learned... that if you tap the green crust gently with something like a plastic brush handle, then the green stuff breaks away nicely. Gently tho, dont use a rock... And another trick. Drop the coin face down onto a benchtop a few times. Works amazingly well. Shane Edited by user Wednesday, 7 March 2012 2:09:18 PM(UTC) \| Reason: Not specified
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crisyboy		Posted : Thursday, 8 March 2012 1:41:23 AM(UTC)
Rank: Gold Ingot Groups: Registered Joined: 20/06/2011(UTC) Posts: 233 Location: whangarei Thanks: 39 times Was thanked: 76 time(s) in 69 post(s)		oh um kiora bro no hard feelings ah.
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