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I came across this Starr .44 caliber Double Action Percussion Revolver from 1858. It is a Civil War era pistol that fired a 138 grain bullet using 33 grains of powder. There were over 21,000 of these made.
This pistol would be worth about $1,000 however someone hacked up the stock and carved it full of cross hatches in a clumsy manner.
This gun has appeared in movies like Rambo, First Blood. Clint Eastwood carried this gun in Unforgiven and Kevin Costner carried this gun in the movie Wyatt Earp.