New Zealand Gold Prospecting & Metal Detecting Forums Archive

 

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snowdrop  
Posted : Friday, 16 January 2015 5:54:19 PM(UTC)
snowdrop

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I don't have a lot of silvers, few gold, but lots of new coins and some old ones too. Obviously I have split them into groups, but have put in glass jars. I have done a bit of reading on the net and understand, this could be not the way to keep, but in coin folders and albums.
Can I have ideas of what others do with theirs. I'm not planning on selling any. It's pure a heritage thing for me for future generations.

Cleaning still an issue for me, obviously not leaving long enough in water and soap liquid. But rubbing with a toothbrush. Or maybe I have over done it. Still don't look that flash, tempted to try some of other ideas which ae not recommended.

Appreciate some advice. Thanks
1864hatter  
Posted : Friday, 16 January 2015 6:23:21 PM(UTC)
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What sort of coins are you talking about? Silver halfcrowns florins shillings etc? if you are talking about decimal coins just send them to the reserve bank.
And now....On sandy beaches and muddy soil, rings and coins await my coil!
snowdrop  
Posted : Friday, 16 January 2015 7:43:58 PM(UTC)
snowdrop

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Not concerned abouts silvers. Asper my heading coppers, bronzes eg old pennies and decimal currency stuff. Home is where they live but wondered about the long term storage of them, and cleaning of them. It seems I didn't make msg clear enough .
creamer  
Posted : Saturday, 17 January 2015 12:09:28 PM(UTC)
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Ive tried cleaning my pennys but find it very hard to bring them back to life. Most of mine are found on the beach and have deteriated some what. Now i just clean them with water and sit them on me shelf as they are with the others.
I have seen some others on the forum who polish them with a dremil. Too much work maybe.

Only the ones found in the dirt clean up nicely.
Ones found on the beach are usually in a state of disrepair.

HH

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Garrett Ace 350
Xpointer



www.nzfossickers.co.nz
snowdrop  
Posted : Saturday, 17 January 2015 12:45:26 PM(UTC)
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Thanks creamer for your useful reply. Hh
Mudwiggle  
Posted : Saturday, 17 January 2015 12:52:55 PM(UTC)
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Bear in mind that any that have 'Bronze Disease' should be isolated from good coins.
It will spread.

You can treat it using sodium sesquicarbonate, but it's a long process (couple of months) so I save them and do a batch at a time.
The two components for sesquicarb can be purchased easily. Google for more info.

Don't use the oven technique as they will go dark permanently.

Bronze disease is the green powder/pitting, don't confuse with patina which is desirable and protective and looks like the coin has been dyed green.
snowdrop  
Posted : Saturday, 17 January 2015 1:12:56 PM(UTC)
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Thanks most interesting about "the disease" No I think patinas are quite attractive. Probably not sure I will bother with the other process. I'm detecting a small school at present with permission, and keeping all the rubbish as well in separate container. Guess what. There's more in the rubbish container than the finds. Definitely several old coins, and those seals which someone said probably mail bag ties I found at the school.
Chrispy  
Posted : Saturday, 17 January 2015 2:17:51 PM(UTC)
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Hey there, if your not worried about the selling value of your coins then this is a process I some times use bearing in mind that nice patina coins take a lot of hard work to get them back to copper. I use grade 000 steel wool and cloudy ammonia and buff the coins slightly. It will take 90% of all grey staining away off silvers and gives them a nice lustre and with coppers that havnt gone green just dark brown it will bring back that first minted shine. Then to keep them looking like this I use Renascence wax to coat coin then put them together in a display box. The wax is the same treatment that museums use. It stops them from tarnishing again. For coins that are worth a bit I put in cardboard sleeves that stick together with a window in it the size of the coin and then write on it the coin, date and grade then put them away safely. Hope this helps .
snowdrop  
Posted : Saturday, 17 January 2015 2:41:03 PM(UTC)
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Thanks for interesting information crispy. It's amazing to what everyone does regarding cleaning. I'm only ever going to keep my finds from a heritage point of view, future generations etc.
Chrispy  
Posted : Saturday, 17 January 2015 3:35:56 PM(UTC)
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Ive kept absolutely every thing Iv dug up except for rubbish and all the cool stuff is on display. As my eldest son says it will be my legacy past on to all my kids (x4) when I die. Kids have a great way with words don't they lol.
Mudwiggle  
Posted : Saturday, 17 January 2015 3:48:50 PM(UTC)
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Originally Posted by: Chrispy Go to Quoted Post
Ive kept absolutely every thing Iv dug up except for rubbish and all the cool stuff is on display.


Likewise.

With things like Pennies, I pick the best for each monarch or major design change and upgrade them when a better one comes along.

International coins are sort of just in a random order at the moment - I don't have a decent set of any country in particular yet esxcept Euros and USA.

shaneE  
Posted : Wednesday, 21 January 2015 12:10:53 AM(UTC)
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I put my coins in olive oil for a couple months it works great just takes a little bit of time