17th Century Ship Cannon Price:  $30,000 USD We have a true unicorn here.   This is a 4 pound, iron long gun that spent centuries at the bottom of the sea, and was recovered intact.   It measures 85″long. 14″ diameter. 7″ at the muzzle. 3 3/4″ bore. Approx 1000 lbs.   According to a … Continue reading M2128