Cleaning copper spots off my GOLD coin!
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- Опубликовано: 25 сен 2024
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Disclaimer
I would advise AGAINST attempting this on coins you do not want to damage. Handling and cleaning of rare and collectable coins should be done by a qualified professional.
Use these methods AT YOUR OWN RISK!
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I googled sodium bicarbonate and he was really referring to what we called baking soda lol
Done this on one of my coins, My guess, and an explanation that I have read from others too, is that Oxygen gets to the 0.001 bits of copper in the coin making Copper Oxide. the Aluminum is more reactive than the copper, so the oxygen moves to the aluminum because of the heat, and medium provided in the hot bi-carb solution.
What I would do differently in future, and an idea for you maybe, is to put the coin on soft, clean cloth inside the dish, so it doesn't get scratched up by the aluminum. Definitely wish i did this on mine. It also makes it easier to pick up!
You also don't need nearly that much aluminum, little piece of it is kind of enough when I've tried it.
Thanks for all the great tips, we will give that a go next time.
BYB
I've removed a copper spot on one of my gold coins with a little Tarn X and dabbing it on with a Q Tip and then a very soft patting dry with a soft cotton cloth after rinsing it under running water.
Pliers and a blowtorch?
Your killing me.
Aaahhhhh!
In America it’s “Baking Soda” haha 😂 regardless love using this method to clean/restore damaged/dirty bullion is basically melt anyways even if it’s semi numismatic bullion people will pay the same premium for spotted/toned/dirty/cleaned look at the prices of “rough” 1996 ASE’s
Thanks, I don't know these things! Thanks for stopping by!
Seeing the results I think the copper spots are less unsightly than the scratching up.
Yes, it is but I did this as a demo only coin. If it was something of more value I would have had gloves and would have used better methods.
@@BackyardBullion I completely get it, I'm not a purist and don't see anything wrong with it. Thanks for the demo, it was good to see it done, especially the blowtorch.
I can understand people having a problem with milk spotting, but don't think the majority of people would worry about copper spotting on gold. But it was good to see your 'How To' video 👍
I got my first gold coin yesterday, a 1987 Canadian Calgary. it had that red copper spot and I freaked out about it.
Got a copper spot on one of my bars . like you said it doesn't devalue the gold.its probably more of a problem on a mint coin .👍
Yes indeed, for gold bars (unless rare pamps) I wouldn't worry too much.
I clean my constitutional that way, and I cleaned a 1/10 gold Maple too but it already was scratched up
Great to hear!
As Gold doesn't react to acid and copper does would that work without scratching the coin?
Your poor coin looks like it's been attacked by a Brillo pad.
I know, it is amazing how quickly the micro scratches appear. It is what it is, a dinged and damaged bullion coin. It served it's purpose to get the copper spots off.
Hey my friend, the baking soda will leave a white film on the coin, you have to soak in clean water after the chemical dip then air dry with compressed air, don’t wipe because that will scratch the mirror finish. I don’t know if the torch is necessary, never tried it and didn’t see what it removed. But since you’re a Silver pourer we’ll let that whole cleaning conversation slide, lol
I don’t understand how this can happen with 99.99% pure gold, but glad to hear it’s just a defect rather then a fake coin.
0.01% is copper.
10:50 I tried this and managed to blacken the reverse side . Now what? (half sovereign)
Update - I found a 30 year old tin of Brasso Metal Polish Wadding under the sink - absolutely superb. Coins come up like new with a soft cloth after the wadding rub.
Sorry my friend, can't help you!
@@BackyardBullion It's sorted - the Brasso did the job thanks.
BYB, good video in demonstrating how not to clean a gold coin :o))
I cringe seeing how the coin was handled - even if it is just bullion.
There are so many micro scratches on the coin now and it has discoloured.
The copper spot seem such a minor issue by comparison :o(
Well, it's a bullion coin with dings and scratches on it before I even started, so I'm really not bothered. Thanks for stopping by and commenting!
Fingerprints are easily removed using an ultrasonic bath. Micro scratches are not however. And of course fingerprints must be fresh as it's not hardened and in case of silver with time it'll react with the silver.
This is very useful to know, thanks for sharing the knowledge. Keep up the good videos 👍
Glad it was helpful!
I've cleaned a few silver coins this way and although the tarnish was removed, the surface was not as shiny as before. It was an experiment anyway, as with yours but I'd now leave tarnish as character. Haven't had to deal with milkspots yet. But the copper spots were aesthetic. Interesting to see the process though.
do you stack gold?
Also use micro fiber towel,it is much softer, and less lint.mate,bloke,chap,obviously I am a yank!
Thanks for the tips!
where did u buy this coin? i would love to buy gold less then spot price.
I bought it on The Silver Forum Trade section. Great deals all the time
lol, you, me, and the rest of the world. haha.
Thanks BYB, very good of you to demonstrate this and the results. I’ve luckily had no such spots on my gold coins but eventually I know I’ll probably end up with one. Was the scratching caused by you moving it around with the tongs trying to grab it?
The scratching could well have been the aluminum foil yes, likely the tissue paper used to clean it didn't help either
@@BackyardBullion i just tried this now after watching your video months ago, i finally got the time to do it, i had 2 1oz 999 gold bars and both had become very reddish, not just spots but like red ink on the sides of the bars, i followed your directions and it actually worked, i only kept the bars in the water for about 1minute, and fliped them to the other side, and 99% of the redness is gone, its nuts, i was worried they might be fake as i bought them from a new dealer.
I use this method to remove tarnish from silver
Great to hear!
I will watch the video well.
Have a day full of good luck .. ^^ ~
It helped me cleaning my gold coin. Thank you
The reaction is called galvanic corrosion.
I just use a fine tipped gold color Sharpie :)
Nice idea but probably not going to last through the ages!
Can I use your method to wipe the white spots on the gold coin?
Where's the salt? You need to add that to the soak. Also let it soak for ten minutes then use distilled water to rinse. Works every time.
Thanks for the tip maybe this will make it better in the future
Does it matter what kind of salt you use
@@justinsnider9772 : Ordinary "household" salt (a.k.a. table salt) works for silver. I've never tried cleaning gold using this method.
You’re a YT legend. Thanks for the tip.
No problem 👍
I have a half ounce gold eagle that seems to have more of a fingerprint or a smudge. I'm reluctant to use this method but I'm wondering if it would work
have you tried? i have 1oz AGE with same problem but i don't want to attempt anything yet.
dont care off scratches but rather i little spott.not sure i gett that,but each to themself off course :) and wipes w papir..no? thats not the best i would imagen.maybe .new stacker so dont mind me,just a thought
Guys this is NOT how you remove copper spots from a gold coin. You grab a rubber eraser and with gloves use the eraser to erase the copper spots from your gold, easy.
No, that won't work at all.
@@BackyardBullion I did it successfully to my Gold Libertads. Plus it have no affect on the coin like what I'm seeing here.
NGC slab of death - Blow Tourched... loved the video be good to read up on the chemistry behind this
Try quenching in by carb soda solution
I guess I am the only person that thinks copper spots gives a coin additional character?
I wouldnt clean them personally but I can understand why people do.
Not the only person. Some collectors prefer the natural aging of a coin and would find this to be sinful. But to each their own. You can do what you wish with your coins. My old silver Morgans and Peace dollars etc., in particular are “aged” and will stay that way.
I've clean silver this way but realise the tarnish adds character.
@@PreppingWithSarge i have 1 oz gold maple and it developed a tiny red spot. I’ve had it in airtite capsule for approximately 2 years. I think the air tite did it just cause it’s too tight
@@willstaxx0730 probably something on the coin BEFORE it got placed in the capsule. How bad is it? If it’s not a historical coin and you think you can clean the blemish without damaging it, I can understand why you might want to. Be careful if you do my friend 🙏
Use a rubber got rid of the blemishes
Hello my friend
Nice coins share 👌👍
Thank you 👍
Interesting video, thanks for sharing.
Thanks mate.
No worries!
Will this work on silver milk spotted coins or is this just for gold coins
You can try, but I think it won't help too much.
A jewelers cloth works very well on silver milk spots. Be gentle and don’t do it on a valuable coin.
THAT WAS COOL BYB I'M GOING TO TRY IT OUT MY FRIEND.
I have been working on techniques to conserve coins mainly proof gold, getting some good results.
You don't have to pussy foot around bullion and it's best to home your skills on something that you are not likely to wipe out all numismatic value by using a piece of tissue paper.
Pliers, wiping cloth, fingerprints... that poor coin LOL. True it's personal preference as to having coin micro scratches especially on the proof surfaces. But, as an eventual possible buyer, I definitely would not be buying that coin.
Well, this coin was already a mess so it was a practical demonstration. This coin will sell easily and with no problems for spot 3% regardless.
Use a heavier brand of aluminum foil!it works better, there are different types of foil!
Thanks!
I think I will hit all my silver bullion coins with my blowtorch. Great job B.Y.B.nice video 👍
We say aluminum, because we spell it aluminum. Many other parts of the world say aluminium because they spell it aluminium. Both places are just pronouncing it the way it's spelled. We also have many that call it tin foil.
Good luck bud
Thanks!
Great video as usual.👍
Thanks 👍
I've never heard an American call them either of those
How does a 99.99% gold coin get copper spots???? Is it from the material in the .001%?
Basically, yes. It is most likely surface contamination from the die that was used to strike the coin.
How does copper get on stainless steel dies used exclusively to mint 99.99% fine gold?
Part of the gold game, wait until you get a copper spot on a 2018 Buffalo, it can really get to you. Put it in the vault and get used to it
👍⚪👍you can always melt it down into a byb 1oz bar 🎉🔥🎇☑️🎯
I see someone use gasslighter to remove copperspott
that's what's known as a many-spot price coin...... :)
i wonder what a couple of seconds in the microwave would do
Next time put the coin in with the head side down so it can interact with the tin foil.
Clearly personal preference but I would prefer copper spots over her majestys face being defaced.
I can’t watch it’s like a horror movie, that poor coin 🥴
Yes, it is but I did this as a demo only coin. If it was something of more value I would have had gloves and would have used better methods.
Backyard Bullion, you are the expert. I just found myself cringing 😬 lol you are a silver wizard that I’m sure of. 🤙