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"Cracking" An ICG Slab - Pics!

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spru's Avatar
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 Posted 10/09/2020  02:18 am Show Profile   Check spru's eBay Listings Bookmark this topic Add spru to your friends list Get a Link to this Message Number of Subscribers
I've been meaning to crack this baby out for a while now and finally got around to doing it. I don't know if everything I did was necessary, but I've never cracked a slab and this is the plan I devised.

The primary tool I used is my cordless oscillating tool with a fine-toothed blade. If you don't have one of these, I highly recommend them. Beyond that, I used a clamp, a chisel and a work bench.




Here is what I started with:



Clamped to the table:



First end cut off (the plastic melts a bit):



Now the same for the other end:




After cutting off the remaining sides:



I used a chisel to separate the layers that were slightly melted together. There was little resistance; I don't know why the center cracked like that:



Side view of the layers:



All of the parts with the coin still in the insert:



Taking the coin out of the rubbery insert:



Note how flexible the insert is:



Free at last:



New home:



I hope this helps those who are wondering about slab construction and/or removing coins safely.
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GrapeCollects's Avatar
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 Posted 10/09/2020  03:09 am  Show Profile   Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply
Cool demolition montage!

Usually when I crack slabs (PCGS, NGC, ICG) I use a clamp, pair of pliers, flathead screw drivers and some elbow grease and crack them manually. Usually works well. NGC slabs and ANACS slabs are easiest though, all you need to do if fit the screwdriver thru the seam and work your way around and it pop open. Though onetime the NGC exploded and I took shrapnel to the hand. No idea why it exploded like that. I've cracked dozens of NGC holders and probably hundreds overall and never had that happen.
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 Posted 10/09/2020  09:45 am  Show Profile   Bookmark this reply Add just carl to your friends list Get a Link to this Reply
I just use a propane torch.
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Coinfrog's Avatar
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 Posted 10/09/2020  09:56 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Seems like too big a production, especially for a circulated coin.
Edited by Coinfrog
10/09/2020 09:58 am
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jbuck's Avatar
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mcshilling's Avatar
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 Posted 10/09/2020  3:50 pm  Show Profile   Bookmark this reply Add mcshilling to your friends list Get a Link to this Reply
I'm still not sure if you are serious but it does look that way, a lot of work ,oh I see you just wanted to use the new Dewalt, good job.
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 Posted 10/09/2020  9:00 pm  Show Profile   Bookmark this reply Add MOS0239 to your friends list Get a Link to this Reply
Nice demonstration! Thought you wouldn't mind if I showed you my technique. I suppose each TPG slab is a bit different. I've broken out several from each TPG. I have only ever used a vise to "slowly" crack open the slabs.

You're much braver then I am! Your oscillating tool scares me! However, if it works for you.............Well, you know the rest.

I just slowly crack one end of the slab, turn it, slowly crack it again, turn it again.....repeat several times until it slowly loosens. I put a towel around it, to prevent shrapnel.

Easy peasy!












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spru's Avatar
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 Posted 10/10/2020  04:47 am  Show Profile   Check spru's eBay Listings Bookmark this reply Add spru to your friends list Get a Link to this Reply

Quote:
I'm still not sure if you are serious but it does look that way, a lot of work ,oh I see you just wanted to use the new Dewalt, good job.


Quote:
Seems like too big a production, especially for a circulated coin.


Well, apparently it was a waste of time. Why would this not be serious? These kinds of comments are why I always hesitate to post anything like this.
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spru's Avatar
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 Posted 10/10/2020  04:52 am  Show Profile   Check spru's eBay Listings Bookmark this reply Add spru to your friends list Get a Link to this Reply
Also, the majority of the time involved in this process was documenting, editing and posting for those who may find it interesting and/or helpful.
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GrapeCollects's Avatar
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 Posted 10/10/2020  04:58 am  Show Profile   Bookmark this reply Add GrapeCollects to your friends list Get a Link to this Reply

Quote:
These kinds of comments are why I always hesitate to post anything like this.


Never hesitate. Tone is difficult to convey sometimes over text and there has been misunderstandings. I once unironically cracked a coin out with an axe (worth like $1). Besides your way is technically the safest for the coin I've ever seen.
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 Posted 10/10/2020  09:12 am  Show Profile   Bookmark this reply Add MOS0239 to your friends list Get a Link to this Reply

Quote:
These kinds of comments are why I always hesitate to post anything like this.


I enjoyed see your method. Would like to see how others do it as well. I would welcome positive and negative feedback. That's why we (I) post here, to learn what I'm doing right and doing wrong.
Edited by MOS0239
10/10/2020 09:14 am
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spru's Avatar
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 Posted 10/11/2020  03:02 am  Show Profile   Check spru's eBay Listings Bookmark this reply Add spru to your friends list Get a Link to this Reply

Quote:
your way is technically the safest for the coin I've ever seen.


Thank you. That was my basic intention. Even though it's just a "circulated coin", I would rather not cause any unnecessary harm to it. Thanks for your support as well, MOS0239 & jbuck.
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yellow88's Avatar
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 Posted 10/11/2020  04:05 am  Show Profile   Bookmark this reply Add yellow88 to your friends list Get a Link to this Reply
One of my all time favorite Coin Community posts.

Excellent montage, superb photos, I learned a lot, and awesome topic.

Thank you!
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mcshilling's Avatar
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 Posted 10/11/2020  10:22 am  Show Profile   Bookmark this reply Add mcshilling to your friends list Get a Link to this Reply

Quote:

Well, apparently it was a waste of time. Why would this not be serious? These kinds of comments are why I always hesitate to post anything like this.


It's not a waste of time I just thought that a power tool is going extern, I have never opened one.

Sorry if I offend you it was not my intention.
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