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Original black powder firearms will never be marked "Black powder only", since at the time, that was the only form of gunpowder. As said, your CVA is a modern reproduction.
Connecticut Valley Arms(CVA) is a modern manufacture that makes replica BP guns and guns of its own design. Model 1851 refers to a Colt pistol made in 1850's. A Colt gun would not be marked "CVA".
a32 caliber black power connecticut a thousand dollar
50-300 usd
No published sn data.
$150-$275, depending on condition.
50-300 usd
50-350 usd
50-275 usd
50-500 USD or so depending on specifics
100-300 USD
These sell for about $100 in great condition, and about $40 in poor condition.
No published sn data; 100-400 USD or so