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Impression On Australian 20c Coin?

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howelm's Avatar
United States
2 Posts
 Posted 10/27/2013  02:17 am Show Profile   Bookmark this topic Add howelm to your friends list Get a Link to this Message Number of Subscribers
Hi,
I came across this 20c coin the other day which has stamped into it the words "Do Not Duplicate" over the Queens head. I have tried searching for something about it on coin sites without success. Any information about it if known would be appreciated.

Impression-On-Australian-20c-Coin?
Bedrock of the Community
sel_69l's Avatar
Australia
21786 Posts
 Posted 10/27/2013  02:26 am  Show Profile   Bookmark this reply Add sel_69l to your friends list Get a Link to this Reply
howelm: to the CCF!

My guess is, that it is probably a test stamp, but not related to numismatics.
Interesting, and for F.V. 20 cents, now a numismatic 'keeper'.

Perhaps some wording should have been added:
'ON PENALTY OF DEATH'
Edited by sel_69l
10/27/2013 02:29 am
New Member
howelm's Avatar
United States
2 Posts
 Posted 10/27/2013  02:50 am  Show Profile   Bookmark this reply Add howelm to your friends list Get a Link to this Reply
Thanks Sel,
My daughter who found it with me will be disappointed she was hoping for a few dollars for Christmas. I am a stamp collector and she has seen of the things that I have sold on and was looking forward to doing the same.
Valued Member
spider083's Avatar
Australia
58 Posts
 Posted 10/27/2013  03:33 am  Show Profile   Bookmark this reply Add spider083 to your friends list Get a Link to this Reply
I have seen this stamped on security keys so my guess is that it is a locksmiths stamp.
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Basil's Avatar
Australia
1040 Posts
 Posted 10/27/2013  6:59 pm  Show Profile   Bookmark this reply Add Basil to your friends list Get a Link to this Reply
Yep,its a security type thing for Business keys,AFAIK,but probaly used in other applications.
Formerly nancyc
Nevol's Avatar
Australia
5385 Posts
 Posted 10/27/2013  7:53 pm  Show Profile   Bookmark this reply Add Nevol to your friends list Get a Link to this Reply

Quote:
I have seen this stamped on security keys so my guess is that it is a locksmiths stamp
...but still interesting to see it on a coin.
life is a mystery to be lived not a problem to be solved
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Sap's Avatar
Australia
16826 Posts
 Posted 10/27/2013  9:17 pm  Show Profile   Bookmark this reply Add Sap to your friends list Get a Link to this Reply
People with punches, dies or other devices intended to stamp a design into metal frequently grab a coin from their pocket when they are looking for a piece of metal to test their device with. A coin is cheap (compared to going out and buying a piece of scrap metal, if you don't happen to have any just lying around) and when you've finished testing with it and provided you haven't mutilated it beyond recognition, you can still spend it.

Technically, it's against the law in Australia to vandalize coins like this, but unless the stamp bears some distinctive marking to identify the company or individual responsible, there's nothing the law can do and provided they're not mutilating a whole bunch of coins, there's no real motivation for them to try to hunt down the culprits.
Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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