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James K · March 6, 2013, 12:47 PM

FWIW, the crown/U is the definitive proof mark, the crown/S the proof for smoothbore barrels.

Jim

March 6, 2013, 12:47 PM	#9
James K Member In Memoriam Join Date: March 17, 1999 Posts: 24,383	FWIW, the crown/U is the definitive proof mark, the crown/S the proof for smoothbore barrels. Jim