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Any Cleaning Methods/Advice For Scratched Slabs?

 
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Pillar of the Community
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7721 Posts
 Posted 02/13/2012  7:52 pm Show Profile   Check oih82w8's eBay Listings Bookmark this topic Add oih82w8 to your friends list Get a Link to this Message
I was going through my coins over the weekend, and my 1911 Liberty nickel kinda jumped out at me; the reverse of the slab is scratched up. The front is still nice, but the back bugs me, right in the center. Does anyone know if these can be removed safely? Headlight restorer, polishing compound, etc...



oih82w8 = "Oh I Hate To Wait"
"I tell her coins keep me off the streets and out of the bars." Moe145
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My Virtual 7070 https://www.PCGS.com/SetRegistry/ty...album/142105
Edited by oih82w8
02/13/2012 8:01 pm
Pillar of the Community
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1151 Posts
 Posted 02/13/2012  8:03 pm  Show Profile   Bookmark this reply Add yankee1227 to your friends list Get a Link to this Reply
If its ANACS I know they do re-slabbing if it comes to that.
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 Posted 02/13/2012  8:10 pm  Show Profile   Check oih82w8's eBay Listings Bookmark this reply Add oih82w8 to your friends list Get a Link to this Reply
I thought about reslabbing, but it's a PCGS, and I am not joining their "club" to have it put in a fresh slab.
oih82w8 = "Oh I Hate To Wait"
"I tell her coins keep me off the streets and out of the bars." Moe145
"WOO-SAA...WOo-SAa...Woo-Saa" (calm down)
"An individual who vacillates when there is need of action will find themself beyond the hope of future success."

My Virtual 7070 https://www.PCGS.com/SetRegistry/ty...album/142105
Pillar of the Community
United States
1080 Posts
 Posted 02/13/2012  8:22 pm  Show Profile   Bookmark this reply Add specksynder to your friends list Get a Link to this Reply
I have heard that some waxes work... anyone heard more specific?
Rest in Peace
United States
7075 Posts
 Posted 02/13/2012  8:22 pm  Show Profile   Bookmark this reply Add Buddy to your friends list Get a Link to this Reply
I hear you! What are the dues up to --- $250?

Here's a thought -- write to them and ask if they have any recommendations -- they just might.

I don't know about those headlight restoring compounds -- they make them for eyeglasses too -- might try that first.

Otherwise -- search the web for a plastics retoration site -- there just might be one.
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 Posted 02/13/2012  9:16 pm  Show Profile   Bookmark this reply Add D0ubl3Eagle to your friends list Get a Link to this Reply
I have used novus #2 to remove some of the fine scratches. It doesn't remove all the scratches but the slabs do show some improvement after using it.
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 Posted 02/14/2012  12:41 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list Get a Link to this Reply


$8.75 at Amazon, if you're adding up purchases for free shipping anyway.

http://www.amazon.com/NOVUS-7136-Pl...p/B002UD0GIG
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 Posted 02/14/2012  1:54 pm  Show Profile   Bookmark this reply Add CaptainFwiffo to your friends list Get a Link to this Reply
I've used some of that headlight polish stuff. On one slab ( NGC) it had very little effect and I was disappointed. Last night I tried it again right before photographing my new 1921 Merc ( PCGS slab) and it worked amazingly. There had been a big scratch and scuffed area on the reverse concealing the entire lower half of the fasces, but it's virtually gone now. So I guess I'd say YMMV.
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 Posted 03/30/2019  03:59 am  Show Profile   Bookmark this reply Add Mmansell45 to your friends list Get a Link to this Reply
Has anyone tried wood ashes. It cleans and shines coins nicely. Ive tried it on pre 1982 and 2017 pennys.
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 Posted 03/30/2019  08:48 am  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply

Quote:
I have used novus #2 to remove some of the fine scratches. It doesn't remove all the scratches but the slabs do show some improvement after using it.

I use the 3-part Novus polishes.
Between #1 and #2 you can remove everything except particularly deep scratches.
#3 is the cleaner.
Describe it as if there were no picture.
Picture it as if there were no description.
Bedrock of the Community
United States
15991 Posts
 Posted 03/30/2019  09:44 am  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply

Quote:
Has anyone tried wood ashes. It cleans and shines coins nicely.

And damages them so most collectors won't want them. And if they had any numismatic premium, a great deal of that premium would them be gone.
Gary Schmidt
Edited by Conder101
03/30/2019 09:45 am
Valued Member
Australia
107 Posts
 Posted 04/02/2019  01:58 am  Show Profile   Bookmark this reply Add serenitystan to your friends list Get a Link to this Reply
You are wasting your time and money trying to polish up the slab to look like new. You don't have to join PCGS just get a dealer to send it for you to be re-slabbed. How easy is that..
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 Posted 04/02/2019  11:04 am  Show Profile   Bookmark this reply Add Alpha2814 to your friends list Get a Link to this Reply

Quote:
You are wasting your time and money trying to polish up the slab to look like new. You don't have to join PCGS just get a dealer to send it for you to be re-slabbed. How easy is that..

Not everyone has a dealer nearby. My local dealer, who did two or three reholdering/submissions for me over the last year, told me on my last trip in that they're not doing that anymore. In return, I'm not going back again either.

Polishing a slab may not make them perfect again, but it can help a whole lot. If the scratches are minor, it can look like new. If they're as bad as the OP suggested (and the pics are long gone now), it could still be an improvement. This is what I got from one dose of Plat-X, before and after:


Working on: Indian quarter eagles, Chinese pandas, and San Francisco tokens; upgrading my Peace dollar and US Type sets

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Bedrock of the Community
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 Posted 04/02/2019  12:44 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply

Quote:
You are wasting your time and money trying to polish up the slab to look like new. You don't have to join PCGS just get a dealer to send it for you to be re-slabbed. How easy is that.

Cost to do it yourself, maybe a dollar and 30 minutes per slab. To just have a dealer send it in and reholdered, what $10 plus some shipping expense maybe a little more, and a couple weeks time.
Gary Schmidt
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 Posted 05/03/2019  8:45 pm  Show Profile   Bookmark this reply Add Big-Kingdom to your friends list Get a Link to this Reply
I've had exceptional luck using polishing compound bars and elbow grease even on bad deep scratches on automotive plastic parts as well as the headlight lenses.

Something like this
https://www.amazon.com/Blue-Polishi...p/B004DZDLPY
That some sand paper and a variable speed buffer and a couple buff heads a heavy one and a fine polishing one.

Yeah it's a bit expensive to take a scratch out of a slab, but I have all this stuff redily avaliable at work.
100% it will bring back headlight lenses with pitting and white film and key scratches back to crystal clear. I don't see why it wouldn't do the same on a slab.gotta sand well to smooth then fine polish until clear.

You could probably fine grain wetsand it also and go finer and finer until you reach polishing fineness.

Basic idea is to sand the large scratch out to the same level then polish the finer scratches away with a really fine polish, same way to get rid of scratches in car paint.

You could probably try a few different ways on a piece of plexiglass to see the results before trying the slab, but I have to warn you it takes time and elbow grease to completely remove a scratch and make it clear again. A lot of time and a lot of elbow grease.

And the headlight cleaners do work, just most people don't do each step long enough, especially the first step, to get rid of the heaviest scratches in the lens before the finishing steps. If you polish white corrosion on plastic or deep scratches they will still be there. You have to get down below the scratch or the white corrosion to get it clear again.

Anywho, there's good, cheap, and fast. From my experience you can never have all 3 at once, the best you can get is two of those three things at once.
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