York County Firelocks
Custom Proof Stamps
London England Gunmakers
Proof Stamps
Barrels made by London Gunmakers were proof test fired at the Proof House of the Gunmakers Company in London, England. 
And Marked with test stamps listed here. These stamps are of the highest quality. Made from 0-1 Tool Steel and hardened.
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PST-GP
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"Gunmaker's Proof" showed that the barrel did not burst when test fired
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$115.00
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PST-V
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"Viewed"
indicated that the barrel had been visually inspected and showed no signs of either swelling or bulging |
$115.00
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