Concealment device - Wikipedia, the free encyclopedia
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Concealment devices or diversion safes are used to hide things for the purpose of secrecy or security. They are made from an ordinary household object such as a book, a soda can, a candle, a can, o...
en.wikipedia.org/wiki/Concealment_device
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In the modest home of Hayhanen and his wife on Dorislee Drive in Peekskill, New York, FBI Agents found such items as a 50 Markka coin from Finland. It had been hollowed out, and there was a small hole in the first "a" of the word "Tasavalta" which appeared on the "tail side" of this coin.
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www.fbi.gov/libref/historic/famcases/abel/abel.htm
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Where technology and culture collide ... Since i bought my Hollowed-out Coin Smuggler i have been smuggling GIGABYTES when i used to only smuggle individual bytes! I now have sex with pretty much anyone i want! Thanks Hollowed-out Coin Smuggler!
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www.therawfeed.com/2008/11/new-way-to-smuggle-data-insi...
www.therawfeed.com/2008/11/new-way-to-smuggle-data-inside-hollow.html
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This is because one side is comprised of a lathed out or hollowed out coin shell and the other side is made from a coin lathed around its circumference and reduced in thickness to fit snugly inside the shell.
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coincollector.org/archives/003698.html
coincollector.org/archives/003698.html
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All the ones I have come across are machined out on one side carefully keeping the reeded edge intact, while another coin is thinned and slightly reduced in diameter to remove the reeded edge. The smaller and thinner half is then placed in the hollowed out half coin.
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en.allexperts.com/q/Coin-Collecting-2297/DOUBLE-HEADED-...
en.allexperts.com/q/Coin-Collecting-2297/DOUBLE-HEADED-QUARTER.htm
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The smaller and thinner half is then placed in the hollowed out half coin. Look with a good magnifier and light source, where the lower field meets up to the reeded edge. They can be force fit or glued together. Another check is weight, an actual quarter blank weighs 5.67 grams.
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en.allexperts.com/q/Coin-Collecting-2297/2-headed-quart...
en.allexperts.com/q/Coin-Collecting-2297/2-headed-quarter-1.htm
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Jim Lawniczak, Coin Collecting, Coin Collecting, Shopping, AllExperts.com ... Eldon, by far the most likely rationale for this is that you have a "magician" coin -- made intentionally for magic tricks. Part of a quarter is hollowed out and another coin put into it. You can tell...
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www.allexperts.com/ep/2297-33534/Coin-Collecting/Jim-La...
www.allexperts.com/ep/2297-33534/Coin-Collecting/Jim-Lawniczak.htm
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Addendum: Making a hollowed-book coin bank ... cut out a rough coin slot at the top before you glue the edges ... stick your ruler in the coin slot as the pages dry to keep it open...
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howto.rivers.pro/hollow-a-book/
howto.rivers.pro/hollow-a-book/
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Jim D. found in circulation a two-headed state quarter. One coin was hollowed out and another planed down to fit perfectly inside the other.
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www.worksandwords.com/coins/ecc/ecc0602.htm
www.worksandwords.com/coins/ecc/ecc0602.htm
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