History Detectives S06 E04 China Marine Jacket; Airstream Caravan; Lincoln Forgery

China Marine Jacket: Can the symbols on this unusual item of clothing identify a marine who may have witnessed a Chinese paradise tumbling into disaster? Airstream Caravan: Was this mobile home part of a modern-day wagon train halfway across the world? Lincoln Forgery: Could this piece of sheet music have come from Abraham Lincoln's private collection?