Baltimore and Ohio Railroad Stock. The Baltimore and Ohio Railroad (reporting marks B&O, BO) was the first common carrier railroad and the oldest railroad in the United States, with its first section opening in 1830. https://www.glabarre.com/item/Baltimore_and_Ohio_Railroad_Stock_Certificate/1395. #americana #railroad #railway #railroadhistory #baltimoreohio (at Portsmouth, New Hampshire) https://www.instagram.com/p/B92-eVEHe0T/?igshid=1nplk2je3aaju

















