These proof Mark's are London marks as previously stated. Crown V is the View Mark, Crown CP is the Provisional Proof Mark and NP is the Final, or Difinitive Nitro Proof Mark. CP and V are encircled because it is a foreign made (Not English Make) firearm. If the arm were of English make, the letters would have no circular surround.
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Jeb
Last edited by jebstuart; 06-13-2018 at 04:03 AM.
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