Specimen $1000 5% Sinking Fund Coupon Bond, Black on red border and underprint, standing allegorical man and 2 women. Specimen overprints, POC's, Changes written in pen or items crossed out on bottom, still VF to XF condition. Rare specimen stock from this amazing aviation company. ABNC. The Boeing Company is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support services. Boeing is among the largest global aircraft manufacturers; it is the second-largest defense contractor in the world based on 2015 revenue, and is the largest exporter in the United States by dollar value. Boeing stock is a component of the Dow Jones Industrial Average.