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Safest Way To Crack A Slab?

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Beefer518's Avatar
United States
887 Posts
 Posted 07/31/2017  2:31 pm Show Profile   Bookmark this topic Add Beefer518 to your friends list Get a Link to this Message Number of Subscribers
Sending stuff to ANACS today, but one is in a basement slab. What's the best way to crack it out without damaging the coin?
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ArrowsAndRays's Avatar
United States
1654 Posts
 Posted 07/31/2017  3:14 pm  Show Profile   Bookmark this reply Add ArrowsAndRays to your friends list Get a Link to this Reply
Let ANACS do it, if you don't have a Dremel.
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jbuck's Avatar
United States
187950 Posts
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moxking's Avatar
United States
17900 Posts
 Posted 07/31/2017  3:35 pm  Show Profile   Bookmark this reply Add moxking to your friends list Get a Link to this Reply
Wrap a towel or other heavy cloth around it, tightly.
Hold it with the longest part horizontal to a solid surface. A vise is great, but hand held is fine. Tap the top long edge of the slab with a hammer until it crackers.
Edited by moxking
07/31/2017 3:36 pm
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edweather's Avatar
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 Posted 08/01/2017  1:51 pm  Show Profile   Bookmark this reply Add edweather to your friends list Get a Link to this Reply
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United States
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 Posted 08/01/2017  6:27 pm  Show Profile   Bookmark this reply Add Dshea215 to your friends list Get a Link to this Reply
What is a basement slab and why do you want to crack it?
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Coinfrog's Avatar
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 Posted 08/01/2017  7:04 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Agree with mox.
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Coinfrog's Avatar
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 Posted 08/01/2017  7:14 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Dshea - A "basement slab" is literally something made in the basement, but in practice a slab produced by a company not generally recognized as among the best 6-7 legitimate grading companies going back over time.
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hozer's Avatar
United States
422 Posts
 Posted 08/01/2017  10:21 pm  Show Profile   Bookmark this reply Add hozer to your friends list Get a Link to this Reply
Carefully use a bandsaw
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AES's Avatar
United States
452 Posts
 Posted 08/02/2017  12:08 pm  Show Profile   Bookmark this reply Add AES to your friends list Get a Link to this Reply
I just put a sticky note on the slab that says 'please crack and grade'. ANACS has always done this for me. The only reason I'd crack one before sending it in is if I thought it needed an acetone bath first.
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Andrew99's Avatar
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1533 Posts
 Posted 08/02/2017  12:31 pm  Show Profile   Bookmark this reply Add Andrew99 to your friends list Get a Link to this Reply
Go to Home Depot. Buy a $25 vise. Wrap in paper towel, slowly tighten until it starts to break. Rotate 90 degrees and repeat. Shortly you will be able to simply separate the halves. The keyword here is safely. You can do it with a hammer, but not safely, either for yourself or the coin.
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Conder101's Avatar
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 Posted 08/02/2017  2:30 pm  Show Profile   Bookmark this reply Add Conder101 to your friends list Get a Link to this Reply
Depending on the basement slab it may not even be sealed and you can just pop it open.
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97 Posts
 Posted 08/20/2017  5:58 pm  Show Profile   Bookmark this reply Add afewmorecents to your friends list Get a Link to this Reply
I use either a hammer or a vice. The new NGC slabs with the bendable plastic are the hardest to crack. A heavy duty pincher is also useful.
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