
Understanding Firearm Markings and Proof Marks
Proof marks, inspectors’ stamps and barrel addresses are the documents collectors read when paper records are silent.
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Proof marks, barrel addresses and inspector stamps, and how to read them with confidence.

Regional traditions and industrial makers, and how their work is distinguished.

Climate, storage and cleaning practice, with an emphasis on restraint over correction.

Building a documentation file that supports the object and protects its value.
In the Archive

Proof marks, inspectors’ stamps and barrel addresses are the documents collectors read when paper records are silent.
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From Connecticut valley workshops to the great arms factories, American gunmaking grew out of craft traditions and interchangeable parts.
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The most common preservation mistake is doing too much. A measured approach to storage and cleaning protects both condition and value.
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A documented history lifts an object from interesting to important. Here is a practical method for building a provenance file.
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Originality is a spectrum, not a switch. Learning to recognize period wear is the collector’s most practical skill.
Read article →Send us the markings and configuration and we will suggest the references most likely to help.