Posted by Bjorn on 3/22/2008, 12:27 pm, in reply to "How to test iron masking!"
85.167.203.18
True.
Been there, done the tests.
No more then 50% of the coins lost have been found, some say 90% is left.
The deeper the coin, the less iron you need at 1" depth to miss it. You will not even hear the iron.
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