Typical Proof Marks of Various Countries
English (London)
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(Birmingham)
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Proof - The test-firing of a gun with an extra-heavy load, at an official establishment, to verify the safety of a gun, which is then marked with formal stamps showing, among other things, the loads for which it is intended. Proof date code table.
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Hallowell & Co., PO Box 1445. Livingston, Montana 59047 USA
Tel: 406 222-4770 Fax: 406 222-4792 Email: morris@hallowellco.com
Hours: Tuesday - Saturday, 10 - 6. (Mountain Time)